We’re being asked to calculate the difference in volume between this solution and the total volume of the original unmixed liquids (methanol and water).

We're going to calculate the difference in volume using the following steps:

Step 1: Calculate the total volume of the original unmixed liquids.

Step 2: Calculate the mass of methanol.

Step 3: Calculate the moles of methanol.

Step 4: Calculate the volume of the solution.

Step 5: Calculate the difference in volume between this solution and the total volume of the original unmixed liquids.

A solution is prepared by mixing 655 mL of methanol and 491 mL of water. The molarity of methanol in the resulting solution is 14.65 M. The density of methanol at this temperature is 0.792g/mL. Calculate the difference in volume between this solution and the total volume of the original unmixed liquids.

A. 11.1 mL

B. 146 mL

C. 11.5 mL

D. 0.91 mL

E. 41 mL

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Molarity concept. You can view video lessons to learn Molarity. Or if you need more Molarity practice, you can also practice Molarity practice problems.