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Solved: The density of an aqueous solution containing 10.0

Chapter 12, Problem 24P

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QUESTION:

The density of an aqueous solution containing 10.0 percent of ethanol (\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)) by mass is 0.984 g/mL.

(a) Calculate the molality of this solution.

(b) Calculate its molarity.

(c) What volume of the solution would contain 0.125 mole of ethanol?

Questions & Answers

QUESTION:

The density of an aqueous solution containing 10.0 percent of ethanol (\(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{OH}\)) by mass is 0.984 g/mL.

(a) Calculate the molality of this solution.

(b) Calculate its molarity.

(c) What volume of the solution would contain 0.125 mole of ethanol?

ANSWER:

Step 1 of 4

(a)

From the given,

The mass of ethanol in solution = 0.100

The mass of water;

                       

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