1.

The pH of a 0.02 M solution of hydrochloric acid is

Answer»

`2.0`
`1.7`
`0.3`
`2.2`

SOLUTION :`[H^(+)] = 2 XX 10^(-2) M`
`because PH = -LOG [2 xx 10^(-2)]`
pH = 1.7 i.e. in between 1 and 2.


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