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Calculate the pH and [S2− ] in a 0.13 M H2S solution. Assume Ka1 = 1.0 ✕ 10−7; Ka2 = 1.0 ✕ 10−19.

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Chemistry

Calculate the pH and [S2− ] in a 0.13 MH2S solution. Assume Ka1 =1.0 ✕ 10−7; Ka2 =1.0 ✕ 10−19.

Answer & Explanation Solved by verified expert
3.8 Ratings (385 Votes)
In aqueous solution H2S is a weak acid Itsdissociation is according to the following equilibriumreactionsTo calculate the pH of a 013Msolution of H2S we need calculate first theH3O concentration The balance equationsfor diprotic acid give the following algebraic solution tocalculate    See Answer
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