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23 July, 01:01

What is the hydronium ion concentration in a solution of HCl that has a pH of 4.65?

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  1. 23 July, 01:24
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    A pH of 4.65 means it has a pOH of:

    14 - 4.65

    = 9.35

    pOH = - log[OH-]

    [OH-] = 10^ (-9.35)

    [OH-] = 4.47 x 10⁻¹⁰ mol/dm³
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