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?

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Answer 1 · 2016-05-03T13:09:37

The solution is $0.4M$ .

The molarity of a solution is found by: $C_M=n/V$ where,

$n$ is the number of mole of solute and $V$ is the volume of the solution.

Therefore, $C_M=(0.2mol)/(0.5000L)=0.4M$

What is the molarity of a solution with 0.2 moles of potassium permanganate (KMnO_4KMnO_4) dissolved in enough water to make a 500.0 mL solution?