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A sample of calcium carbonate (CaCO3) h...

A sample of calcium carbonate `(CaCO_3)` has the following percentage composition : `Ca=40%, C=12%, O=48%`. If the law of constant proportions is true , then the mass of calcium in 4 g of a sample of calcium carbonate obtained from another source will be :

A

`0.016 g`

B

`0.16 g`

C

`1.6 g`

D

`16 g`

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NARENDRA AWASTHI-STOICHIOMETRY-Level 1 (Q.31 To Q.60)
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  13. What percentage of oxygen is present in the compound CACO3.3Ca3(PO4)2?

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