Question

a solution is prepared by dissolving 4 gram of NAOH to give 500 ml of it . calculate the molarity of the solution

Answer 1

Explanation:

Moles of NaOH=mass/moler mass=4/40=0.1

500ml=500gm.

molarity=mole of solute/mass of solution(kg)

m=0.1*1000/500

m=2