Answer to Question #297913 in General Chemistry for Phia

Question

An ethanol solution is prepared by dissolving 15 mL of ethanol (C2H5OH) (density: 0.850 g/ml) in a sufficient volume of water to produce 120 mL of solution with a density of 0.980 g/mL. What is the concentration of ethanol in this solution expressed as:

a. Volume percent

b. Mass percent

c. Mass/volume percent

d. Mole fraction of Ethanol

e. Molarity

f. Molality

Answer 1

Concentration of ethanol =5.14M