Question

How many mole ratios can you get from the equation:

KMnO4(aq) + SO2(g) → MnSO4(aq) + K2SO4(aq)

Answer 1

Answer:

The unbalanced redox reaction is Cu

2

S+KMnO

4

+H

2

SO

4

→CuSO

4

+MnSO

4

+K

2

SO

4

+H

2

O.

The balanced chemical equation is as follows:

Cu

2

S+2KMnO

4

+4H

2

SO

4

→2CuSO

4

+2MnSO

4

+K

2

SO

4

+4H

2

O

Thus, 1 mole of Cu

2

S reduces two moles of KMnO

4

.

Explanation:

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