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3 July, 06:28

What is the (H+), if the pH of a solution is 3.20?

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  1. 3 July, 09:13
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    First of all, the answer has 3 places of accuracy.

    The formula for pH is

    pH = - log[H+]

    Given: Ph = 3.20

    Solution

    3.20 = - log[H+]

    Divide by - 1

    -3.20 = log[H+]

    Take the antilog of both sides

    10^-3.20 = [H+]

    [H+] = 6.30 * 10^-4 moles/L This is a measure of concentration.

    It can also be written as 0.000630 moles/L
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