Calculate the mass percent of oxygen in kmno4.

assess the size % of air in KMnO4. 4

Atomic size of Mn = 55 g
40.50percent
64.00percent

10.12percent

Atomic size of K = 39 g
40.50percent

59.50percent

Atomic size of O = 16 g
64.00percent

59.50percent

10.12percent

mol
10.12percent

Size of O within 1 mol of KMnO4 ( = 158 g/mol) = 4×16 g = 64
Consider 1 mole of KMnO4.

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