Question

A solution contains 85.0 g of `NaNO_3`, and has a volume of 750 mL. What is the molarity of the solution?

Answer 1

Molar mass of `NaNO_3=23+14+3xx16=85gmol^-1`
750 mL Solution contains 85g =`85gxx1/(85gmol^-1)=1mol`
molarity = no of mole per Liter=`1/750xx1000m=1.33m`