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15 March, 12:52

An unknown substance has hydrogen ion concentration of [H+]=3.1*10^-8M. Find the pH and classify the substance as acidic or basic

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  1. 15 March, 13:02
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    pH = 7.51. The substance is basic.

    [H⁺] = 3.1 * 10⁻⁸ mol·L⁻¹.

    pH = - log[H⁺] = - log (3.1 * 10⁻⁸) = 7.51

    The substance is basic because pH > 7.
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