In an oxidation-reduction reaction, MnO(...

In an oxidation-reduction reaction, `MnO_(4)^(-)` ion is converted to `Mn^(+2)` . What is the number of equivalents of `KMnO_(4)` (molecular weight = 158) present in 250 mL of 0.04 M `KMnO_(4)` solution?

A

0.02

B

0.05

C

0.04

D

0.07

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