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6 October, 11:54

If the [H₃O⁺] of a solution is 1.7 x 10⁻³ M, what is the pH of the solution?

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  1. 6 October, 12:18
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    The pH of the solution is 2.77

    Explanation:

    Data obtained from the question include:

    Concentration of hydronium ion, [H₃O⁺] = 1.7 x 10⁻³ M

    pH = ?

    The pH is define as the measure of concentration of Hydrogen ion [H⁺] or hydronium [H₃O⁺] in an acid or a base. Mathematically, it is expressed as:

    pH = - Log [H₃O⁺]

    With the above equation, the pH can be obtained as follow:

    pH = - Log [H₃O⁺]

    [H₃O⁺] = 1.7 x 10⁻³ M

    pH = - Log 1.7 x 10⁻³ M

    pH = 2.77

    Therefore, the pH of the solution is 2.77
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