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28 February, 05:09

An HCl solution has a concentration of 9.8 x 10-5 M. What is the pH of this solution?

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  1. 28 February, 05:25
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    HCl = H⁺ + Cl⁻

    c (HCl) = 9.8*10⁻⁵ mol/l

    pH=-lg[H⁺]

    [H⁺]=c (HCl)

    pH=-lg{c (HCl) }

    pH=-lg{9.8*10⁻⁵}=4.009

    pH=4.009
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