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24 January, 06:54

The concentration of hydrogen in soil sample 13 * 10 ^ - 6 * M the soil is tested with a pH meter, what value should the meter read?

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  1. 24 January, 08:37
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    pH = 4.9

    Explanation:

    Given data

    [H⁺] = 13 * 10⁻⁶ M

    The pH is a scale used to determine the acidity or basicity of a solution. The pH is related to the concentration of hydrogen ions through the following expression.

    pH = - log [H⁺]

    pH = - log 13 * 10⁻⁶

    pH = 4.9

    Since the pH < 7, the soil is considered to be acid.
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