The density of a aqueous solution containing 18% methanol, CH3OH, by mass is 0.960 g/mL. What’s the molality? Molarity? And the mole fraction?

a. Calculate the molality of this solution.
b. Calculate its molarity
c. What is the mole fraction of ethanol in the solution?

1.household hydrogen peroxide is an aqueous solution containing3.0% hydrogen peroxide by mass. what is the molarity of thissolution? (assume a density of 1.01 g/mL)

2.an aqueous solution contains 36% HCl by mass. calculate themolality and mole fraction of the solution/

The density of an aqueous solution containing 10.0 percent of ethanol (C2H5OH, molar mass 46.07 g/mol) by mass is 0.984 g/mL. Calculate the molality and molarity respectively.

The density of an aqueous solution containing 10.0 percent of ethanol (C₂H₅OH, molar mass 46.07 g/mol) by mass is 0.984 g/mL. Calculate the molality and molarity respectively.