A mixture of NaHC(2)O(4) and KHC(2)O(4) ...

A mixture of `NaHC_(2)O_(4) and KHC_(2)O_(4) .H_(2)C_(2)O_(4)` required equal volumess of `0.2 N KMnO_(4) and 0.12N NaOH ` separtely. What is the molar ration `NaHC_(2)O_(4) and KHC_(2)O_(4) .H_(2)O_(4)` in the mixture?

`(2)/(11)`

`(11)/(2)`

`(5)/(2)`

`(7)/(2)`

Text Solution

Verified by Experts

The correct Answer is:

`underset(x mmol)(Na_(2)C_(2)C_(4)),underset(y mmol)(KHC_(2)O_(4).H_(2)C_(2)O_(4)`
(i). `x xx0+yxx3=0.2xxV`
(ii). `x xx2+yxx4=(0.2xx5)xxVimplies(x)/(y)=(11)/(2)`

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