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29 August, 04:02

HNO3 is a strong acid. Calculate the pH of an aqueous 0.60 M solution.

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  1. 29 August, 06:23
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    pH = 0.22

    Explanation:

    The pH of the a solution is related to the concentration of the hydronium ion as follows:

    pH = - log ([H₃O⁺])

    HNO₃ is a strong acid that reacts to completion with water as follows:

    HNO₃ + H₂O ⇒ H₃O⁺ + NO₃⁻

    The molar ratio between nitric acid and the hydronium ion is 1:1, so a 0.60 M nitric acid solution has a hydronium ion concentration of 0.60 M.

    The pH is calculated:

    pH = - log ([H₃O⁺]) = - log (0.60) = 0.22
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