In the reaction : `MnO_(4)^(-)+xH^(+)+n e^(-)rarrMn^(2+)+yH_(2)O` What is the value of n :

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In the reaction : `MnO_(4)^(-)+xH^(+)+n e^(-)rarrMn^(2+)+yH_(2)O` What is the value of n : A. 5 B. 8 C. 6 D. 3

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