1.

The pH of a 0.001 M NaOH will be

Answer»

3
2
11
12

Solution :0.001 M of NAOH means `[OH^(-)] = 0.001`
`= 10^(-3) M rArr POH = 3`
`pH + pOH = 14 rArr pH = 14-3 = 11`.


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