# A molal solution is one that contains one mole of a solute in

$\begin{array}{1 1}\text{1000g of the solvent}\\\text{One litre of the solvent}\\\text{One litre of the solution}\\\text{22.4 litres of the solution}\end{array}$

Answer : 1000g of the solvent
Molality involves 1000g of solvent.