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20mL of H(2)O(2) after acidification wit...

20mL of `H_(2)O_(2)` after acidification with dilute `H_(2)SO_(4)` required 30mL of N/12 `KMnO_(4)` for complete oxidation. Calculate the percentage of `H_(2)O_(2)` in the solution. Equivalent mass of `H_(2)O_(2)=17`.

A

`10.75 g// lit`

B

`11.75 g// lit`

C

`12.75 g//lit`

D

`13.75 g//lit`

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