1.

If the pH of a solution of an alkali metal hydroxide is 13.6, the concentration of hydroxide is

Answer»

Between 0.1 M and 1M
More than 1 M
Less than 0.001 M
Between 0.01 M and 1 M

Solution :`pH = 13.6`
POH = 14 - 13.6 = 0.4
`[OH^(-)]` = Antilog (0.4) = 0.3979. So the value of `[OH^(-)]` between 0.1 M and 1 M.


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