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Acids and Bases - Calculating pH

Worked Chemistry Problems

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pH is a measure of acidity.

pH is a measure of acidity.

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  • Question

    What is the pH of a solution with [H+] = 1 x 10-6 M.

    Solution

    pH is calculated by the formula

    pH = - log [H+]

    Substitute [H+] with the concentration in the question.

    pH = - log (1 x 10-6)
    pH = -(-6)
    pH = 6

    Answer

    The pH of the solution is 6.

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