Question

What will be the molality of a solution having 18g of glucose (mol.wt = 180) dissolved in 500g of water?

Answer 1

Mole of glucose $=\frac{18}{180}=0.1mol$

Malality $=\frac{\text{Moles}}{\text{weight of solution (in Kg)}}$

$=\frac{0.1}{0.5}$

$=0.2m$