A solution contains non-volatile solute of molecular mass M2. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure? (Punjab PMET 2007) (a) m M VRT (b) m RT M V (c) m M RT V (d) m M V RT Ans. (b) Sol. CRT V nRT m V RT M m M RT V n = no. of moles of solute V = volume of solution m = mass of solute M = molar mass of solute