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1M NaOH solution was slowly added into 1...

1M NaOH solution was slowly added into 1000 mL of 183.75 g impure `H_(2) SO_(4)` solution and the following plot was obtained. The percentage purity of` H_(2)SO_(4)` sample and slope of the curve respectively are:
: `75% (1)/(3)`, `80% - (1)/(2)`, `80% -1`, `75%-1`

A

`75% (1)/(3)`

B

`80% - (1)/(2)`

C

`80% -1`

D

`75%-1`

Text Solution

Verified by Experts

The correct Answer is:
C
Mole of NaoH consumed when rected with `H ^(+) = 3 xx 1`
moles of `H _(2) SO _(4) ` in sample `= 1. 5 xx 98 = 147 g %` purity `= (147)/(183 . 75) xx 100 = 80`
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