A solution is prepared by mixing 10.0 g of water and 10.0 g of methanol. The final volume of the solution is 19.07 mL. Use 18.0 g/mol as molar mass of water and 32.04 g/mol as the molar mass of methanol. Use 1.00 g/mL for the density of water. a. What is the molarity of methanol? b. What is the wt% of methanol in solution? c. What is the mol fraction of methanol in solution? d. What is the molality of methanol in solution?

Chemistry: Matter and Change
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Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom
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Chapter14: Mixtures And Solutions
Section: Chapter Questions
Problem 112A
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A solution is prepared by mixing 10.0 g of water and 10.0 g of methanol. The final volume of the solution is 19.07 mL. Use 18.0 g/mol as molar mass of water and 32.04 g/mol as the molar mass of methanol. Use 1.00 g/mL for the density of water.
a. What is the molarity of methanol?
b. What is the wt% of methanol in solution?

c. What is the mol fraction of methanol in solution?
d. What is the molality of methanol in solution?

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