How many manganese atoms are in each formula unit of potassium permanganate?

Potassium permanganate has a molar mass of 158.04 g/mol. This figure is obtained by adding the individual molar masses of four oxygen atoms, one manganese atom and one potassium atom, all available on the Periodic Table of the Elements (see the "Additional Resources" section).

802.36

Explanation:

200.59  times 4