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Calculate the pH of the following basic ...

Calculate the pH of the following basic solutions
a. `[OH^(-)]=0.05M` b. `[OH^(-)]=2xx10^(-4)M`

Text Solution

Verified by Experts

`[OH^(-)]=0.05M`
`pOH=-log(0.05)`
`=-log5xx10^(-2)`
`=-log5+2log10`
`=2-log5`
`=1.3010`
`pH=14-pOH`
`=12.699`
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