A student was given 45 mL of ethanol. It has a density of o.789 g/mL. This amount of ethanol was placed into 969 mL of water to make a solution.
A. What is the mass percent of ethanol in water?
B. What is the volume percent of ethanol in water?
C. What is the Molarity of ethanol?
D. What is the mole fraction of ethanol?