1.

Hydrogen ion concentration in mol/L in a solution of pH = 5.4 will be :

Answer»

`3.98xx10^(-8)`
`3.88xx10^(6)`
`3.68xx10^(-6)`
`3.98xx10^(-6)`

SOLUTION :`PH=-log[H^(+)]`
or`[H^(+)]=`ANTILOG `(-pH)`
= Antilog `(-5.4)=3.98xx10^(-6)M`


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