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12 October, 15:26

What is the concentration of hydronium and hydroxide ions in pure water?

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  1. 12 October, 16:57
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    The pH of distilled (pure) water is equal to 7.

    The concentration of OH - (hydroxide) and H3O + (hydronium) is equal to 14:

    [H3O+]+[OH-]=10^-14

    Since we know pH is the - log of hydronium concentration, we can use our value of 7 pH and do. the opposite log (10^-7) so therefore the concentrations of both will be equal to 10^-7
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