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The equivalent mass of salt, KHC(2)O(4) ...

The equivalent mass of salt, `KHC_(2)O_(4) .H_(2)C_(2)O_(4) .4H_(2)O` when it act as reducing agent is:

A

`(M)/(1)`

B

`(M)/(2)`

C

`(M)/(3)`

D

`(M)/(4)`

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The correct Answer is:
D
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