1.

The pH of an aqueous solution at 25^(@)C is 6.1 its p(OH) is :

Answer»

`12.2`
`7.9`
`3.9`
`6.1`

SOLUTION :At `25^(@)C, pH +pOH =14`
`THEREFORE pOH = 14-6.1 =7.9`.


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