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30 June, 01:54

What is the molar concentration of h3o + in a cola that has a ph of 4.240?

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  1. 30 June, 04:27
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    The pH is calculated using the expression: pH = - log [H3O+].

    To find the concentration of [H3O+]

    [H3O+] = 10^ (-pH)

    Solving the RHS we have 10^ (-4.240) = 0.1440

    Hence the concentration of H3O + is 0.1440.
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