1.

The hydrogen ion concentration of 0.001 M NaOH solution is

Answer»

`1 xx 10^(-2)` mole/litre
`1 xx 10^(-11)` mole/litre
`1 xx 10^(-14)` mole/litre
`1 xx 10^(-12)` mole/litre

Solution :0.001 M NaOH means `[OH^(-)] = 10^(-3) , POH = 3`
`PH + pOH = 14, pH = 14-3`
`pH = 11, [H^(+)] = 10^(-11) "mole-litre"^(-1)`.


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