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The mole fraction of water in 20% (wt.//...

The mole fraction of water in `20% (wt.//wt.)` aqueous solution of `H_(2)O_(2)` is:

A

`(77)/(68)`

B

`(68)/(77)`

C

`(20)/(80)`

D

`(80)/(20)`

Text Solution

Verified by Experts

The correct Answer is:
B
Mole fraction of `H_(2)O=((80)/(18))/((80)/(18)+(20)/(34))=(68)/(77)`.
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