| 1. 1 | 8. 2 | 15. 1 |
| 2. 3 | 9. 1 | 16. 3 |
| 3. 4 | 10. 1 | 17. 4 |
| 4. 3 | 11. 4 | 18. 3 |
| 5. 4 | 12. 1 | 19. 2 |
| 6. 1 | 13. 2 | 20. 3 |
| 7. 2 | 14. 2 | 21. 1 |
22. KCl
23. 90 g 45 x 2
24. 30 g 15 x 2
25. H+ or H3O+
26. gas is more soluble at high pressures
27. carbon dioxide gas is not very soluble in water
28. carbon dioxide is non polar and water is polar
29. and 30. If you can't make a graph see me
31. 9 g
32. 8 g
33. 1.2 M = 0.50/x 0.42 L
34. F with 8 dots and a - sign
35. SnF2
36. 0.000250/175 x 1 000 000
37. yes 1.43 ppm < 4 ppm
38. see your bonding review sheet
b. the rates are equal