Question

How much water is needed to prepare a .50 molal solution using 0.50 moles of sodium chloride?

Answer 1

`1kg`

Explanation:

(`b` is the symbol for molality, and molality is the number of moles of solute per kilogram of solvent)

`b=n/m`

`0.5=0.5/m`

`m=1kg`