What is correct for 10g of CaCO3
A. It contain 1g-atom of carbon
B. It contain 0.3g -atom of oxygen
C. It contains 12g of calcium
D. None of these
Anonymous:
option b is correct
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It contains 1g-
atom of carbon
atom of carbon
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34
Answer:
B. It contain 0.3 g of oxygen
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