## Chemistry: The Molecular Science (5th Edition)

There are $0.0759$ moles of $KMnO_4$ in 12.0 g.
Calculate the molar mass for $KMnO_4$: 39.1* 1 + 54.94* 1 + 16.00* 4 = 158.04g/mol Find the number of moles in 12.0g: $12.0g \times \frac{1 mole}{158.04g} = 0.0759$ moles.