how to calculate volume in ml of a solution

I have three right over here, one, two, three, one, two, three. Calculate Mass Percent: mass solute divided by mass final solution multiplied by 100%. solution do we need in order to have that many Gallon (gal) Teaspoon @AwesomeFlame123 You clearly figured out the math aspect of the problem. video, we're gonna talk about a concept in chemistry Solutions occur frequently in nature and have also been implemented in many forms of manmade technology. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. by liters of solution, we would get liters of solution times molarity, times molarity, is equal to the number of moles of solute, number of moles of solute. Plugging these values into the equation for Volume, we get V = 463 g / (0.92 g / mL) = 503 mL. WebCalculate its molarity. We thus rearrange the dilution equation in order to isolate C2: Since the stock solution is being diluted by more than two-fold (volume is increased from 0.85 L to 1.80 L), we would expect the diluted solutions concentration to be less than one-half 5 M. We will compare this ballpark estimate to the calculated result to check for any gross errors in computation (for example, such as an improper substitution of the given quantities). First, convert grams of NaCl to moles of NaCl. The water from the melting ice increases the volume of the solvent (water) and the overall volume of the solution (iced tea), thereby reducing the relative concentrations of the solutes that give the beverage its taste (Figure $\PageIndex{2}$). We know already that molarity \frac{\pu{0.003447 mol}}{\pu{0.020 L}} &= \pu{0.174825 M}\\ Is "I didn't think it was serious" usually a good defence against "duty to rescue"? We need to find the volume of the stock solution, V1. Step 3: Think about your result. Cubic millimeter Board foot (FBM) Bushel (bu) So this is our goal. Calculate Volume Percent: volume of solute per volume of solution ( not volume of solvent), multiplied by 100% symbol: v/v % v/v % = liters/liters x 100% or So pKa is equal to 9.25. \end{align} Centiliter Gallon (gal) Sho Cooking (metric) Still, let's say you find yourself in a situation where you cannot use the tool. Pint (pt) $$\frac{0.003447\ \mathrm{mol}}{0.0200\ \mathrm{L}} = 0.174825\ \mathrm{M}$$, The third part is simply a dilution what concentration results when we dilute the first $20.0\ \mathrm{mL}$ solution to $250\ \mathrm{mL}$: Concentration is an expression of how muchsoluteis dissolved in asolventin a chemicalsolution. Pint (pt) But, in making pancakes, you can not add diluents to your liking because the batter needs to have the proper consistency. 6.5: Weight by Volume and Molarity - Chemistry LibreTexts So let's say we have a large There are two official symbols, the Latin letter el in both cases: l and L. The litre is not an SI unit but is accepted for use with the SI. Solution: A solution is a homogenous mixture of substances. Calculate the volume in mL of a solution required to provide the following: Do you need an answer to a question different from the above? WebA 20 ml portion of this solution requires 15 ml of 0.12 M NaOH solution to reach the titrations equivalence point. Well, to do that, we just (\pu{0.174825 M})(\pu{0.020 L}) &= (\pu{0.250 L})(x)\\ Barrel What volume of 0.125 M $HNO_3$ can be prepared from 0.250 L of 1.88 M $HNO_3$? WebA solution is prepared by dissolving 0.6706 g of oxalic acid (H2C2O4) in enough water to make 100.0 mL of solution. A 10.00-mL aliquot (portion) of this solution is then diluted $$, How to find volume needed from a stock solution, Improving the copy in the close modal and post notices - 2023 edition, New blog post from our CEO Prashanth: Community is the future of AI. We can divide both sides by one molar, and what are we going to get? \text{amount of substance} &= \frac{ You can rearrange the formula to calculate the required amount if you know any two variables. 10 decimals. 1.80 102 mol 0.500 mol L1 103 mL L1 = 36.0 mL. So, a 1 M solution of sulfuric acid would be a 2 N (2 normal) solution. \end{align}. The mass of the ammonium chloride is first converted to moles. V_1 = ? Get access to thousands of practice questions and explanations! Reconstitution can sometimes also mean reinstating an object or ingredient to its original or usable state. What is the concentration of the solution that results from diluting 25.0 mL of a 2.04-M solution of CH3OH to 500.0 mL? is create a solution, another aqueous solution WebTo achieve this, first calculate the amount of medication per mL of IV solution by dividing the entire volume of IV solution (250 mL) by the medication's concentration (225 mg). By rearranging the above equation, you get the formula for reconstitution concentration: reconstitution concentration = dose / dose volume. If you have 250 grams of nichrome, how much iron do you have? Cubic kilometer Why the obscure but specific description of Jane Doe II in the original complaint for Westenbroek v. Kappa Kappa Gamma Fraternity? Asking for help, clarification, or responding to other answers. Pharmacy Dilutions Calculations | Pharmacy Math Made Simple! Step 1: List the known quantities and plan the problem. If you were to do the problem, could you explain why you did what you did to get to the answer. Mole fractionor molar fraction is the number of moles of one component of a solution divided by the total number of moles of all chemical species. Bushel (bu) By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Please note that descriptive terms or names of quantities shall not be arranged in the form of an equation and that the quantity amount of substance shall not be called number of moles, just as the quantity mass shall not be called number of kilograms. Shouldn't it be 0.5L? Generally, it is composed of a solvent and one or more solutes. Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. We thus rearrange the dilution equation in order to isolate V2: Since the diluted concentration (0.12 M) is slightly more than one-fourth the original concentration (0.45 M), we would expect the volume of the diluted solution to be roughly four times the original volume, or around 44 mL. Posted 2 years ago. A millilitre (ml) equals a thousandth of a litre, or 0,001 litre. All rights reserved. Calculate the pH in the flask when 12.11 mL of a 0.57 M HCl solution have been added to 220. mL of a 0.074 M CH 3 NH 2 solution. Although we derived this equation using molarity as the unit of concentration and liters as the unit of volume, other units of concentration and volume may be used, so long as the units properly cancel per the factor-label method. We can rearrange the formula to get m = V mass = 10.00mL 1.080 g 1mL = 10.80 g n = Substituting the given values for the terms on the right side of this equation yields: \[C_2=\mathrm{\dfrac{0.850\:L\times 5.00\:\dfrac{mol}{L}}{1.80\: L}}=2.36\:M\]. Gallon (gal) The volume of the 0.12-M solution is 0.041 L (41 mL). on how we visualize it? As in previous examples, the definition of molarity is the primary equation used to calculate the quantity sought. WebA percent v/v solution is calculated by the following formula using the milliliter as the base measure of volume (v): % v/v = mL of solute/100 mL of solution Example: What is the % v/v of a solution that has 5.0 mL of hydrochloric acid (HCl) diluted to 100 mL with deionized water? Note that our units of volume will always match the volume units shown in the measure of concentration! The second step is done to find out the concentration of the substance in terms of molarity since the question has asked us to give the answer in molarity after dilution. Thus, these two equations may be set equal to one another: This relation is commonly referred to as the dilution equation. A millilitre (ml) equals a thousandth of a litre, or 0,001 litre. Molality is used to express the concentration of a solution when you are performing experiments that involve temperature changes or are working with colligative properties. What volume (mL) of the sweetened tea described in Example $\PageIndex{1}$ contains the same amount of sugar (mol) as 10 mL of the soft drink in this example? What volume of a 0.575-M solution of glucose, C6H12O6, can be prepared from 50.00 mL of a 3.00-M glucose solution? The relative amount of the active ingredient in a medicine determines its effectiveness in achieving the desired pharmacological effect. The final volume of the aqueous solution is to be 500 mL, and 67 mL of this volume comes from the stock solution. Direct link to Inesh Sahoo's post Are molarity and moles th, Posted 2 years ago. Cubic kilometer Contact us by phone at (877)266-4919, or by mail at 100ViewStreet#202, MountainView, CA94041. WebCalculate the volume of sulfuric acid needed. Multiply the final desired volume by the dilution factor to determine the needed volume of the stock solution. This is dilution. You're quite right, but he asked for an explanation of the steps he took. Concentration: Concentration is a measure of the quantity of a solute in a solution. the Allied commanders were appalled to learn that 300 glider troops had drowned at sea, Short story about swapping bodies as a job; the person who hires the main character misuses his body. Cup lessons in math, English, science, history, and more. Can I use an 11 watt LED bulb in a lamp rated for 8.6 watts maximum? grams per liter \[g/L=\mathrm{\dfrac{g\: solute}{L\: solution}} \label{6.5.1}\], grams per deciliter or% \[g/dL=\mathrm{\dfrac{g\: solute}{dL\: solution}} \label{6.5.2}\], milligrams per deciliterormg% \[g/dL=\mathrm{\dfrac{mg\: solute}{dL\: solution}} \label{6.5.3}\]. If a saturated, room temperature solution of sodium chloride contains 40 g of sodium chloride, calculate the volume of the solution. Now, the next time you find yourself in a situation where you have to mix a dry ingredient with another liquid to obtain your desired solution, you can surely rely on our reconstitution calculator to help you get all the weight and measurements correct. In this case, the mass of solute is provided instead of its molar amount, so we must use the solutes molar mass to obtain the amount of solute in moles: \[\mathrm{\mathit M=\dfrac{mol\: solute}{L\: solution}=\dfrac{25.2\: g\: \ce{CH3CO2H}\times \dfrac{1\:mol\: \ce{CH3CO2H}}{60.052\: g\: \ce{CH3CO2H}}}{0.500\: L\: solution}=0.839\: \mathit M} \label{3.4.6}\], \[\mathrm{\mathit M=\dfrac{mol\: solute}{L\: solution}=0.839\:\mathit M} \label{3.4.7}\], \[M=\mathrm{\dfrac{0.839\:mol\: solute}{1.00\:L\: solution}} \label{3.4.8}\]. Example $\PageIndex{5}$: Determining the Volume of Solution. we just have to figure out how many moles of sodium sulfate need to be in this final Just multiply the rate of infusion of AA by 24 hr. do we need to take out to have that many moles? Browse other questions tagged, Start here for a quick overview of the site, Detailed answers to any questions you might have, Discuss the workings and policies of this site. And then, how much of Mass percent composition (also called mass percent or percent composition) is the easiest way to express the concentration of a solution because no unit conversions are required. M_2 = \pu{10 mM} \\ Normality is similar to molarity, except it expresses the number of active grams of a solute per liter of solution. The resulting rapid combustion reaction, often accompanied by a dramatic whoosh sound and flames, demonstrates the large amount of chemical energy released in the combustion of alcohol, Search Textbook questions, tutors and Books, Change your search query and then try again. What is the volume of the solution? The litre (spelled litre in Commonwealth English and liter in American English) is a unit of volume. Cubic centimeter Direct link to Richard's post Molarity and moles are me, Posted 2 years ago. volume Cubic yard (yd) We need to find the concentration of the diluted solution, C2. Tablespoon Asking for help, clarification, or responding to other answers. The relative amount of oxygen in a planets atmosphere determines its ability to sustain aerobic life. The concentration of a solution is a measure of the relative amount of solute in a given amount of solution. Reconstitution is the process of adding a liquid diluent to a dry ingredient to make a solution. Additional water was added so as to give $\pu{250 mL}$ of solution. Finally, this molar amount is used to derive the mass of NaCl: \[\mathrm{1.325\: mol\: NaCl\times\dfrac{58.44\:g\: NaCl}{mol\: NaCl}=77.4\:g\: NaCl} \label{3.4.12}\]. All right, now let's A 355-mL soft drink sample contains 0.133 mol of sucrose (table sugar). We have previously defined solutions as homogeneous mixtures, meaning that the composition of the mixture (and therefore its properties) is uniform throughout its entire volume. The dry ingredient can be in any weight measurement: micrograms, milligrams, or grams, and similarly, the wet part, or the diluent, is in any volume measurement: microliters, milliliters, or cubic centimeters. Calculate the pH in the flask when 12.11 mL of a 0.57 M HCl solution have been added to 220. mL of a 0.074 M CH 3 NH 2 solution. Now, we will take a look at two example problems to get some practice. Well molarity is always calculated for the solution .So when crystals of $\ce{Na2CO3 * 10H2O}$ is dissolved in water then water of crystallization plays no role in determination of molarity since only no of moles of$\ce{Na2CO3}$ is taken in account. The Ka for HCl is 3.3106 and the Kb of CH3NH2 is 2.410-4. pour some of that in. Assume that the density of the solution is 1.0 g/mL. It makes the unit of reconstitution concentration a ratio of mass and volume, usually in mg/ml. Quart (qt) Barrel out, this is going to be zero point, let's see, half of 12 is 6 and then half of 50 is 25, 0.0625 moles, moles of solute. Solvent: A solvent is a substance in which a solute can be dissolved. where, $M_1$ and $M_2$ are the initial and final concentrations, $V_1$ is the volume of stock you would require for the dilution, and $V_2$ is the volume of final desired concentration. Recall that the concentration formula is, Multiplying both sides by V and then dividing both sides by C, we find that the volume of solution is given by, Plugging in our values gives us a volume of. What is the molar concentration of sucrose in the beverage? Solutions in which water is the solvent are, of course, very common on our planet. \frac{\pu{1 g}~\ce{Na2CO3.10H2O}}{\pu{286 g}~\ce{Na2CO3.10H2O}} &= \pu{0.003447 mol}\\ The Ka for HCl is 3.310 6 and the Kb of CH 3 NH 2 is 2.410 -4. Mix the solution with the glass stirring rod. That is what the base formula is for figuring out the volume of the diluent: dose volume = dose / reconstitution concentration. Measure the amount of diluent required -- in our example, 28.5 mL -- and dispense this into the large measuring cup. calculate Usually, not all medications are in the form of tablets or syrups. Teaspoon Can I use the spell Immovable Object to create a castle which floats above the clouds? Cubic meter A boy can regenerate, so demons eat him for years. https://www.thoughtco.com/calculating-concentration-of-a-chemical-solution-609194 (accessed May 2, 2023). You have a lower concentration here. Ian Waddell is a graduate student who holds bachelor's degrees in biochemistry, biotechnology, mathematics, and applied mathematics from Marshall University. The dilution equation is a simple relation between concentrations and volumes of a solution before and after dilution. We will explore a more thorough treatment of solution properties in the chapter on solutions and colloids, but here we will introduce some of the basic properties of solutions. $\pu{0.013986 M}$ is the correct answer, but I don't know why and don't understand the question. ThoughtCo, Nov. 8, 2022, thoughtco.com/calculating-concentration-of-a-chemical-solution-609194. MathJax reference. Combining these two steps into one yields: \[\mathrm{g\: solute\times \dfrac{mol\: solute}{g\: solute}\times \dfrac{L\: solution}{mol\: solute}=L\: solution} \label{3.4.15}\], \[\mathrm{75.6\:g\:\ce{CH3CO2H}\left(\dfrac{mol\:\ce{CH3CO2H}}{60.05\:g}\right)\left(\dfrac{L\: solution}{0.839\:mol\:\ce{CH3CO2H}}\right)=1.50\:L\: solution} \label{3.4.16}\]. Cooking (U.S.) Why is 500 mL = 0.500L, I thought that 500 has 1 significant figure and 0.500 has 3? In our example, 30 mL x 1 20 = 1.5 mL of stock What is the concentration of the acetic acid solution in units of molarity? Litre (l) If you have more precise measurements, don't forget to include the mass of solute in your calculation! Pint (pt) Example $\PageIndex{7}$: Volume of a Diluted Solution. Step 4: Convert volume units if needed. One June 26, Calculate the molarity of each of the following solutions: (a) 6.57 g, Determine how many grams of each of the following solutes would be, The B Company has a policy of requiring a rate of return. Japanese However, there are many other combinations of mass and volume units possible! The fundamental thing to do is to study the label or leaflet of the medicine or vial, which comes with instructions, including: The dosage of the medication needs to be precise, and hence, reconstitution cannot be taken lightly. WebMilliliter (Metric), volume. Mass per volume (mass / volume) concentration equation C is the desired concentration of the final solution with the concentration unit expressed in units of mass I didn't understand that the Molarity of the final Na2CO3 is the same as the molarity of Na2CO310H2O. Cancel any time. Notice that milligrams are being used as our units of mass, but grams are being used in the units of concentration. This value is derived from the weight of the solute divided by the total volume of the solute and the solvent, and it can be measured in several ways. At that point, I'm going Example: What is the molality ofa solution of 3 grams of KCl (potassium chloride) in 250 ml of water? Note that with aqueous solutions at room temperature, the density of water is approximately 1 kg/L, so M and m are nearly the same. We also acknowledge previous National Science Foundation support under grant numbers 1246120, 1525057, and 1413739. You don't know a "true" volume until you dilute to 250 ml. How to Calculate Volume Percent Concentration - ThoughtCo Kirsten has taught high school biology, chemistry, physics, and genetics/biotechnology for three years. Gill It's a one-molar concentration that, when I take this product, I am going to get 0.0625 moles of sodium sulfate. Pint (pt) During the lesson, this formula will be given as. A more dilute solution meaning a solution with a lower concentration than the original. Before we go into how to calculate volume, you must \text{amount of substance} &= \frac{\text{mass of substance}}{\text{molecular mass of the substance}}\\ In order to do this, we make stocks of the solutions from a known concentration. Ubuntu won't accept my choice of password. Molarity is defined as the number of moles of solute in exactly 1 liter (1 L) of the solution: \[M=\mathrm{\dfrac{mol\: solute}{L\: solution}} \label{6.5.4}\], Example $\PageIndex{1}$: Calculating Molar Concentrations. If 0.850 L of a 5.00-M solution of copper nitrate, Cu(NO3)2, is diluted to a volume of 1.80 L by the addition of water, what is the molarity of the diluted solution? WebTo calculate the grams of protein supplied by a TPN solution, multiply the total volume of amino acid solution (in ml*) supplied in a day by the amino acid concentration. The reconstitution calculator is a handy tool for all who need to prepare a solution using a dry ingredient and a diluent. You can find it using the below formula: diluent volume = ceftobiprole mass / reconstitution concentration. For example, say on a Sunday morning, you decide to have pancakes as your breakfast feast, and you grab the dry mix from the pantry. WebCalculate volume of solution in mL required from molarity and mole data: 0.616 molKI from 1.35M solution; Question: Calculate volume of solution in mL required from \\ 2 decimals This can be calculated by the formula below: {eq}\text{Concentration} = \frac{\text{mass of solute}}{\text{volume of solution}} Calculate Plugging in the values, you will find out that you require $\pu{12.5 mL}$ of stock, and dilute it to $\pu{50mL}$ using the solvent, i.e., add $\pu{37.5 mL}$ of water to $\pu{12.5 mL}$ of stock solution. First, calculate the amount of ingredient in 250mL of a 25% solution. Making statements based on opinion; back them up with references or personal experience. mL It varies with temperature and other factors. Can I use an 11 watt LED bulb in a lamp rated for 8.6 watts maximum? {eq}800 \text{ }mg \text{ calcium hydroxide} \cdot \frac{1 \text{ }g \text{ calcium hydroxide}}{1000 \text{ }mg \text{ calcium hydroxide}} = 0.8 \text{ }g \text{ calcium hydroxide} After that the given solution is diluted up to $\pu{250 mL}$, so we have to use dilution formula \end{align}, $$\text{initial amount of substance} = \text{final amount of substance}.$$. Why don't we use the 7805 for car phone chargers? Welcome. In Example $\PageIndex{4}$, the molar amount of NaCl computed in the first step, 1.325 mol, would be properly rounded to 1.32 mol if it were to be reported; however, although the last digit (5) is not significant, it must be retained as a guard digit in the intermediate calculation. U.S. liquid measure x &= \pu{0.013986 M}\\ There are other easy ways to express the concentration of a chemical solution. M_2 = \pu{10 mM} \\ ourselves what molarity is. Teaspoon Often, though not always, a solution contains one component with a concentration that is significantly greater than that of all other components. There are multiple units of concentration. Use the body fat calculator to estimate what percentage of your body weight comprises of body fat. https://www.khanacademy.org/math/arithmetic-home/arith-review-decimals/arithmetic-significant-figures-tutorial/v/significant-figures. \text{initial concentration}\times \text{initial volume of solution} =\\ Fluid ounce (oz) arrow_forward 52. And to think about how many moles, we just have to remind Did the drapes in old theatres actually say "ASBESTOS" on them? Using Molarity to Find Solution Volume | Chemistry It only takes a few minutes to setup and you can cancel any time. When this is done, the mole fraction is multiplied by 100%. Direct link to Richard's post Yes, that's essentially w, Posted 2 years ago. It is a simply balanced ratio of the instant mix powder from a pouch and cold and hot water. By adding solvent to a measured portion of a more concentrated stock solution, we can achieve a particular concentration. (\pu{0.174825 M})(\pu{0.020 L}) &= (\pu{0.250 L})(x)\\ Direct link to astunix's post Why is 500 mL = 0.500L, I, Posted a year ago. In dilution, we add more solvent to a solution of a higher concentration to reduce its concentration. $$c_2 = \frac{c_1V_1}{V_2}$$ arrow_forward 48. 1 means the initial state and 2 mean the final state. When do you use in the accusative case? three significant figures or sometimes called significant digits. is equal to number of moles, number of moles, of solute per liters of solution, liters of solution. Learn more about Stack Overflow the company, and our products. \text{molarity} &= \frac{\text{amount of substance}}{\text{volume in L}}\\ we can then dilute with water to get to our goal solution? How are engines numbered on Starship and Super Heavy? Would My Planets Blue Sun Kill Earth-Life? WebTo achieve this, first calculate the amount of medication per mL of IV solution by dividing the entire volume of IV solution (250 mL) by the medication's concentration (225 mg). Rearranging this to solve for volume, we get V = m / d. In this problem, our mass is m = 463 g of oil with a density of d = 0.92 g / mL. The solute concentration of a solution may be decreased by adding solvent, a process referred to as dilution. A $\pu{1.00 g}$ sample of $\ce{Na2CO3.10H2O}$ was dissolved in $\pu{20.0 mL}$ of distilled water. Input the dosage, which is the mass of the dry ingredient. You can set this up as an equation and solve for the unknown "x": Volume percent is the volume of solute per volume of solution. In Example $\PageIndex{3}$, we found the typical concentration of vinegar to be 0.839 M. What volume of vinegar contains 75.6 g of acetic acid? 2023 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. She has also ghostwritten diabetes journals. Cubic inch (in) Could a subterranean river or aquifer generate enough continuous momentum to power a waterwheel for the purpose of producing electricity? The litre (spelled litre in Commonwealth English and liter in American English) is a unit of volume. Calculate the molarity of 6.52 g of $CoCl_2$ (128.9 g/mol) dissolved in an aqueous solution with a total volume of 75.0 mL. Episode about a group who book passage on a space ship controlled by an AI, who turns out to be a human who can't leave his ship? \end{align}. Appropriately use the solution dilution formula. Direct link to laijohnny4222's post Does the molarity change , Posted 4 months ago. So we just have to figure out how much of our original And let's say we also have Textbook content produced by OpenStax College is licensed under a Creative Commons Attribution License 4.0 license. I'd still have one, two, Fluid dram So the question really Which step is it that you are doing that you don't understand? Step 1: Read the given problem and identify the solubility of the solute and the mass of solute in the solution. Multiply the final desired volume by the dilution factor to determine the needed volume of the stock solution. MathJax reference. Calculate X % = 5.0 mL HCl/100 mL of solution X /100 = 5.0/100 Are there any canonical examples of the Prime Directive being broken that aren't shown on screen? You get the mass of solute for the solution, mix the solute with a known volume of solvent, and divide mass by volume for concentration. The volume and molarity of the solution are specified, so the amount (mol) of solute is easily computed as demonstrated in Example $\PageIndex{3}$: \[M=\mathrm{\dfrac{mol\: solute}{L\: solution}} \label{3.4.9}\], \[\mathrm{mol\: solute= \mathit M\times L\: solution} \label{3.4.10}\], \[\mathrm{mol\: solute=5.30\:\dfrac{mol\: NaCl}{L}\times 0.250\:L=1.325\:mol\: NaCl} \label{3.4.11}\]. two, three, one, two, three. We can rearrange the formula to get m = V mass = 10.00mL 1.080 g 1mL = 10.80 g n = 10.80g 1 mol 102.1g = 0.1058 mol MOLES FROM VOLUME OF SOLUTION Molarity is the number of moles of a substance in one litre of solution. Subtract this figure from the final desired volume to calculate the volume of diluent required--for example, 30 mL - 1.5 mL = 28.5 mL. this up to 500 milliliters, that we would then have Making statements based on opinion; back them up with references or personal experience. The volume calculator will calculate the volume of some of the most common three-dimensional solids. Direct link to Richard's post Well whenever you are try, Posted a year ago. $$\frac{0.003447\ \mathrm{mol}}{0.0200\ \mathrm{L}} = 0.174825\ \mathrm{M}$$, $$c_2 = \frac{(0.174825\ \mathrm{M})(0.020\ \mathrm{L})}{(0.250\ \mathrm{L})} = 0.0140\ \mathrm{M}$$. mL. We used this first step to determine the amount of substance of $\ce{Na2CO3.10H2O}$ present in the solution. Why refined oil is cheaper than cold press oil? \text{amount of substance} &= \frac{\text{mass of substance}}{\text{molecular mass of the substance}}\\ Volume