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bagirrra123 [75]
3 years ago
8

How many moles of KMnO, are in 66.38 g of KMnO?

Chemistry
1 answer:
qwelly [4]3 years ago
8 0

Answer:

\large \boxed{\text{0.4200 mol}}

Explanation:

\text{M$_{r}$ of KMnO$_{4}$} = 158.03\\\text{Moles} = \text{66.38 g } \times \dfrac{\text{1 mol}}{\text{158.03 g}} = \text{0.4200 mol}\\\\\rm \text{The sample contains $\large \boxed{\textbf{0.4200 mol}}$ of KMnO$_{4}$}

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