Calculate the molality of a solution obtained by dissolving `15.87 g` ehtyl alcohol `(C_(2) H_(5) OH)` in `168 g` of `H_(2) O`.

What is the molality of a solution made by dissolving 36.0 g of glucose ( C_(6)H_(12)O_(6) , M=180.2) in 64.0 g of H_(2)O ?

Calculate the normality of solution containing 31.5 g of hydrated oxalic acid (H_(2)C_(2)O_(4).2H_(2)O) in 1250 mL of solution.

Calculate the normality of solution containing 31.5 g of hydrated oxalic acid (H_(2)C_(2)O_(4),2H_(2)O) in 1250 mL of solution.

Calculate the molar mass of ethyl alcohol (C_(2)H_(5)OH) .

What is the molality of a solution which contains 36 g of glucose (C_(4)H_(12)O_(5)) in 250 g of water ?

Calculate molality of 1.2M H_(2)SO_(4) solution? If its p=1.4g//mL

What would be the freezing point of aqueous solution containing 17 g of C_(2)H_(5)OH in 100 g of water (K_(f) H_(2)O = 1.86 K mol^(-1)kg) :