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. 51.2 %
2. Ba2Na4 (banana)
3. 0.23
4. 0.24 M
5. 62.4 lbs/cu ft.
6. 57.9 %
Extra Credit
1. 67.9 G
2. 95 °C
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