1. 40.08 + 16 = 56.08 g/mol CaO
2. 24.30 + 12.01 + 48.00 = 84.31 g/mol Mg(CO3)
3. 65.39 + 28.02 + 96 = 189.41 g/mol Zn(NO3)2
4. "Cuz" isn't an actual element. 52.00 + 64.00 = 116.00 g/mol CrO4
5. 22.99 + 1237.03 = 1260.02 g/mol Na(C103)
6. 22.99 + 32.06 = 55.05 g/mol NaS
7. 26.98 + 35.45 = 62.43 g/mol AlCl
8. 113.12 + 32.06 + 64 = 209.18 g/mol (14H4)2(SO4)
9. 176.07 + 61.94 + 128.00 = 366.01 g/mol Ni3(PO4)2
10. 137.33 + "Nn" isn't an actual element. 128.00 = 265.33 g/mol Ba(O4)2
