Question

What is the molarity of the solution produced when 8.0g NaOH is dissolved in sufficient water to prepare 500.mL of solution?

Answer 1

Answer:

Molarity=0.4M

Explanation:

n=m/M = 8/40= 0.2, V= 500ml=0.5dm3

n= C×V

0.2= C×0.5

C= 0.4M