Answer Key
1. CO2 = 44
12 * 1 = 12
16 * 2 = 32
+___
44
2. HNO3 =63
1 * 1 = 1
14 * 1 = 14
16 * 3 = 48
+____
63
3. CCl4 =154
12 * 1 = 12
Cl * 4 = 142
+____
154
4. Na2SO4 =142
23 * 2 = 46
32 * 1 = 32
16 * 4 = 64
+_____
142
5. C12H22O11 =342
12 * 12 = 144
1 * 22 = 22
16 * 11 = 176
+____
342
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