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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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Question
![Calculate the molar solubility of CuS in a medium containing
H2S at pH=1 and pH=4. Kspcus = 6.5x10-30
[H*][HS¯]
[H2S]
H2S - H* + HS-
Ka1
5.7x10-8
Ka2 = 1.2x10-15 =
Каг
[H*][s?-]
[HS-]
HS - H* + S2-
H;S - 2H+ + Sz KaixKa2
[H*]?[s²-]
[H2S]
6.8x10-23](https://content.bartleby.com/qna-images/question/675a343e-d4bc-47a5-93b7-a75a37057497/0ab970a5-95bd-469b-9b36-e491be970a95/65f3kq_thumbnail.png)
Transcribed Image Text:Calculate the molar solubility of CuS in a medium containing
H2S at pH=1 and pH=4. Kspcus = 6.5x10-30
[H*][HS¯]
[H2S]
H2S - H* + HS-
Ka1
5.7x10-8
Ka2 = 1.2x10-15 =
Каг
[H*][s?-]
[HS-]
HS - H* + S2-
H;S - 2H+ + Sz KaixKa2
[H*]?[s²-]
[H2S]
6.8x10-23
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