Answers (each answer has the units g/mol)
1. 133.34 	14. 255.26	27. 7.95	40. 393.1314	53. 266.69	66. 36.461
2. 203.59	15. 110.26	28. 28.01	41. 472.09	54. 141.944	67. 174.25
3. 239.3 	16. 53.49	29. 626.31	42. 344.1666	55. 80.04	68. 58.443
4. 143.09	17. 136.08	30. 56.106	43. 383.788	56. 171.34	69. 133.846 
5. 234.77 	18. 122.97	31. 94.20	44. 154.99	57. 303.26	70. 417.179
6. 44.01	19. 304.23	32. 98.07	45. 226.09	58. 601.93	71. 20.006
7. 273.20 	20. 106.87	33. 629.78	46. 119.977	59. 82.03	72. 162.206
8. 560.98	21. 68.14	34. 104.08	47. 149.087	60. 171.34	73. 120.055
9. 441.89	22. 129.84	35. 35.046	48. 258.195	61. 84.007	74. 231.74
10. 238.59	23. 158.03	36. 108.01	49. 497.24	62. 78.00	75. 342.10
11. 74.55	24. 136.14	37. 234.68	50. 342.136	63. 136.97	76. 115.928
12. 58.10	25. 62.02	38. 101.96	51. 150.82	64. 159.69 	77. 204.12
13. 81.38	26. 44.01	39. 123.555	52. 158.169	65. 100.09	78. 484.173

79. 292.246
80. 164.248