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Atoms and Molecules — quick quiz

5 real NSEJS questions on Atoms and Molecules. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 1

MEDIUM

What is the mass of 0.25 moles of calcium carbonate (CaCO₃)? (Atomic masses: Ca = 40, C = 12, O = 16)