1.

The pH of 10^-5 M KOH solution will be……….

Answer»

9
5
19
none of these

Solution :`KOHtoK^+ +OH^-`
`10^-5M10^-5M10^-5M`
`[OH^-]=10^-5M`
`pH=14-(-LOG[OH^-])`
`=14+log[OH^-]=14+log10^-5`
`=14-5=9`


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