Given the following equation: 2KMnO4 → K2MnO4 + MnO2 + O2
How many grams of KMnO4 are required to produce
1.60 grams of O2?
g

Mass of KMnO4 required : 31.607 g

The reaction equation is the chemical formula of reagents and product substances  

A reaction coefficient is a number in the chemical formula of a substance involved in the reaction equation. The reaction coefficient is useful for equalizing reagents and products  

Reaction

2KMnO₄ → K₂MnO₄ + MnO₂ + O₂

mol of O₂ :

mol ratio KMnO₄ : O₂ = 2 : 1

mol of KMnO₄ :

mass of KMnO₄ :

MW KMnO₄ : 158,034 g/mol

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