1.

pH of a solution is 5.5 at 25^(@)C. Calculate its [OH^(-)]

Answer»

SOLUTION :`pH+POH=14.0`
`THEREFORE pOH=14.0-pH`
`=14.0 -5.5 =8.50`
`pOH=8.5""therefore "ANTILOG" [-pOH]`
`therefore [OH^-]= "antilog" [-8.5]=3.2xx10^-9 M`.


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