A solution that 20% ethanol by volume to have a density of 0.977gm/ml. Density of ethanol is 0.789 gm/ml. Thus mass percent of ethanol solution is

3.0 molal NaOH solution has a density of 1.110 g//mL . The molarity of the solution is:

The density of air is 0.001293 gm/ml at S.T.P. It’s vapour density is -

The density of the solution of a salt X is 1.15 "g mL"^(-1) . 20 mL of the solution when completely evaporated gave a residue of 4.6g of the salt. Calculate the mass percentage of the solute in solution.

The normality of HCl solution with a density of 1.19gm/ml containing 37% HCl by mass is :

15g of methyl alcohol is present in 100 mL of solution. If density of solution is 0.90 g mL^(_1) . Calculate the mass percentage of methyl alcohol in solution

A 400 mL solution is 20% alcohol by volume. If 100 mL of water is added, what the new concentration of alcohol, as a percent of volume?

Calculate the molarity of a solution of ethanol in water in which the mole fraction of ethanol is 0.040 .

The density of a solution containing 7.3% by mass of HCl is 1.2 g/mL. Calculate the molarity of the solution

Statement-1 : Molality of pure ethanol is lesser than pure water Statement-2 : As density of ethanol is lesser than density of water [Given : d_("ethanol") = 0.789 gm//ml, d_("water") = 1gm//ml ]

A solution containing 12.0% sodium hydroxide by mass has a density of 1.131 g//mL . What volume of this solution contains 5.00 mol of NaOH :