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16 July, 13:41

The pH of a solution can be calculated from which of the following expressions?

a) pH = - log [OH^-]

b) pH = log [OH^-]

c) pH = - log [H^+]

d) pH = log [H + ]

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Answers (1)
  1. 16 July, 13:51
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    (c) pH = - log [H^+]

    Explanation:

    pH defines the acidicity or basicity a solution.

    pH also refers to hydrogen ion concentration and it is only applied to aqueous solution.

    pH ranges from 0 to 14. A pH of 7 is neutral and a pH less than 7 is acidic while a pH higher than basic.
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