1.

pH of human blood is 7.4. Then H^(+) concentration will be

Answer»

`4 XX 10^(-8)`
`2 xx 10^(-8)`
`4 xx 10^(-4)`
`2 xx 10^(-4)`

Solution :`pH = - LOG[H^(+)], 7.4 = -log[H^(+)], [H^(+)] = 4 xx 10^(-8) M`.


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