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Atoms and Molecules — quick quiz

4 SZF IOS-pattern questions on Atoms and Molecules. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 4

Medium

The molecular mass of calcium carbonate (CaCO3) is to be calculated. Given atomic masses: Ca = 40 u, C = 12 u, O = 16 u. What is the molecular mass of calcium carbonate?