Name: Block: Date:
Chemistry 11
Molarity Worksheet Key
Assignment
1. a) 0.70M b) 0.00140M c) 1.71M d) 0.0769M
2. a) 161g b) 16.3g c) 5.71g d) 1.32g
3. 0.0875mol
4. 1.14L
5. 7.15x10-5 mol
6. 0.13L
7. 55.6M
8. 17.5M
9. 1.77 g/mL
10. 0.875g
11. 277g of acetone; 0.427g of benzoic acid. Since the volume of solvent used was 350.0mL,
the very small amount of benzoic acid wouldn’t change the overall volume appreciably.
12. 1.0x10-4M
13. 0.0609L or 60.9mL
14. 0.185L
15. 2.07M
16. 1.25M
17. 14.6mL
18. 11.7g
19. 0.204M
20. 0.188L
21. 0.326M
22. 0.318M
23. 1.21M
24. 0.240M
25. a) 0.268M b) 1.901x10-3M c) 0.0649M
26. a) 2.66M b) 0.143M c) 0.16M d) 0.260M
27. a) 1.07M b) 0.0288M c) 0.586M
28. a) 1.5x103g b) 8.45g c) 5.12g
29. a) 6.162M b) 13.6M c) 10.91M
30. 0.417L
31. 3.25mL
32. 14.0g
33. 4.68mol
34. 2.88g/mL
35. 0.145L
36. 0.552mol
37. 0.158L
38. 0.124M
39. 0.44M
40. 11.3M
