Question

a sample of calcium carbonate is found to contain 40% calcium, 12% carbon and 48% of oxygen .CalculateQ&A
the amount of calcium and carbon in 20 g of calcium carbonate.​

Answer 1

Answer:

carbon=12/100×20 g

=12/5

=2.4 g

calcium=40/100×20 g

=2/5×20g

=2×4g

=8 g

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Answer 2

Answer:

Explanation:

carbon=12/100×20 g

=12/5

=2.4 g

calcium=40/100×20 g

=2/5×20g

=2×4g

=8 g