A solution of ethanol in water is `10%` by volume. If the solution and pure ethanol have densities of `0.9866 g mL^(-1)` and `0.785 mL^(-1)` respectively, the mass precent will be

USP ethanol in aqueous solution is containing 95% ethanol by volume. At 20^(@)C , pure ethanol has a density of 0.789 g/mL and USP ethanol density 0.813 g/mL. What is the mass percentage of ethanol in USP ethanol ?

In a solution of ethanol in water, the mole fraction of ethanol is 0.05 and the density of solution is 1.94 g mL^(-1) . The molarity of the solution is ___ M

10 % by volume of the solution of ethanol in water , means _______ of ethanol iin 100 ml of solution .

15g of methyl alcohol is present in 100 mL of solution. If the density of solution is 0.96 "g mL"^(-1) , calculate the mass percentage of methyl alcohol in solution.

The radius of a water molecule having density 1.0g mL^(-1) is :

The molality of 49% by volume of H_(2)SO_(4) solution having density 1.49 g/mL is……

The molality of 49% by volume of H_(2)SO_(4) solution having density 1.49 g/mL is……

Consider a solution of ethanol in water in which the mole fraction of ethnol is 0.040 . If the density of H_(2)O is taken to be 1 g//mL the molarity of ethanol in solution is