Calculating the Formula Weight of Molecules: Solutions

Brief about Answers

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Calculate the Formula Weight of the Following Molecules

Glocose (C6H12O6)
612C

11.01H

816O

Molecular Weight = (6 × 12) + (12 × 1) + (6 × 16) = 180 amu



Iron (II) Carbonate FeCO3
2655.8Fe

612C

816O

Molecular Weight = (1 × 55.8) + (1 × 12) + (3 × 16) = 115.8 amu


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