# What is the molarity of a solution with 0.2 moles of potassium permanganate (KMnO_4) dissolved in enough water to make a 500.0 mL solution?

May 3, 2016

The solution is $0.4 M$.
The molarity of a solution is found by: ${C}_{M} = \frac{n}{V}$ where,
$n$ is the number of mole of solute and $V$ is the volume of the solution.
Therefore, ${C}_{M} = \frac{0.2 m o l}{0.5000 L} = 0.4 M$