Calculate the molarity `(M)` and molality `(m)` of 16% aqueous methanol `(CH_(3) OH)` solution by volume. Density of solution `= 0.9 g mL^(-1)`.

Calcualate the molarity and molality of 20% aqueous ehtanol (C_(2) H_(5) OH) solution by volume. (density of solution = 0.96 g mL^(-1) )

Calcualate the molarity and molality of 20% aqueous ehtanol (C_(5) H_(5) OH) solution by volume. (density of solution = 0.96 g mL^(-1) )

Calculate molality of 1 litre solution of 95% H_(2) SO_(4) by volume. The density of solution is 1.84 g mL^(-1) .

Calculate molality of 1 litre solution of 93% H_(2) SO_(4) by volume. The density of solution is 1.84 g mL^(-1) .

4 . 0 g of NaOH are contained in one decilitre of a solution. Calculate the molarity and molality of this solution . (Density of solution = 1 . 038 g mL^(-1) )