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Atoms and Molecules — quick quiz

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

Question 1 of 5

EASY

What is the mass of 2 moles of calcium carbonate (CaCO₃)? [Given: Atomic masses - Ca = 40 u, C = 12 u, O = 16 u]