calculate the PH of a solution 0.030 MH2SO4

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calculate the PH of a solution 0.030 MH2SO4

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Yến Oanh 3 years 2021-09-03T08:05:32+00:00 1 Answers 12 views 0

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  1. ngockhue
    0
    2021-09-03T08:06:49+00:00
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    Answer:

    pH= 2- log3

    Explanation:

    H2SO4 + H2O -> HSO4^(-) + H30^(+)

    0.03M ___ ___

    ___ 0.03M 0.03M

    H30^(+) : C = 0.03M

    pH= – log( [H3O^(+)] ) => pH= – log {3× 10^(-2)} => pH = 2 – log3

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )