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The concentration of H^(+) ion in a samp...

The concentration of `H^(+)` ion in a sample of soft drink is `3.8xx10^(-3)M`. Its pH is :

A

`3.42`

B

`4.58`

C

`2.42`

D

`3.82`

Text Solution

Verified by Experts

The correct Answer is:
C
`pH=-log(3.8xx10^(-3))`
`=-[log3.8+log10^(-3)]`
`=-[(0.58)+(-3.0)]=2.42`
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