Question

Percentage of calcium in CaCO3 is..

a. 30

b. 40

c. 48

d. 36

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Answer 1

Answer:

40%

Explanation:

The percentage of three elements calcium, carbon and oxygen in a sample of calcium carbonate is given as: Calcium = 40%; Carbon = 12.0%; Oxygen = 48%

Answer 2

Answer:

Here is your answer

Explanation:

40 percent