Most teachers will agree that a perfect answer key is rare. The reasons are as numerous as the errors: typos, strained eyes, misread questions, etc. If your answers do not agree, consult a good chemistry teacher about any questions you might have. I would appreciate knowing about any errors that you might find.
Short Answer
1. H2SO4, H2O, H3O1+, OH1-, HSO41-, SO42-
2. (a) 3; (b) 1.6
3. (a) -9.56; (b) 2.2
4. 9.33 X 10-6
5. pH=8.6
6. 9.63
Extra Credit
1. 11
2. 2.4
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