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Calculate pH of a solution whose 100ml c...

Calculate `pH` of a solution whose `100ml` contains `0.2g NaOH` dissolved in it.

A

10.699

B

11.699

C

12.699

D

13.699

Text Solution

Verified by Experts

The correct Answer is:
C
100ml solution of NaOH contains =2.0gm NaOH
1000 ml solution of NaOH contains =2gm NaOH
Normality of solution `=2/400=0.05N`
`therefore [H^(+)]=(10^(-14))/(0.05)`
`therefore -log[H^(+)]=-log [(10^(-14))/(0.05)]`
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