(单选题) 14: 计算lgK’MY: (1) pH = 5.0,lgK’ZnY; (2) pH = 10.0,lgK’AlY; (3) pH = 9.0 [NH3] + [NH4+] = 0.20 mol/L [CN-] = 10-5 mol/L lgK’NiY
A: 9.9,2.4,7.82
B: 6.9,3.4,7.80
C: 9.9,2.4,7.82
D: 6.9,2.4,5.82
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(单选题) 14: 计算lgK’MY: (1) pH = 5.0,lgK’ZnY; (2) pH = 10.0,lgK’AlY; (3) pH = 9.0 [NH3] + [NH4+] = 0.20 mol/L [CN-] = 10-5 mol/L lgK’NiY
A: 9.9,2.4,7.82
B: 6.9,3.4,7.80
C: 9.9,2.4,7.82
D: 6.9,2.4,5.82
(责任编辑:admin) |