1.

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

Answer»

`3.98 XX 10^(8)`
`3.88 xx 10^(6)`
`3.68 xx 10^(-6)`
`3.98 xx 10^(-6)`

SOLUTION :`ph = -LOG[H^(+)]`
`5.4 = -log[H^(+)], [H^(+)] = 3.98 xx 10^(-6)`.


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