A sample of calcium carbonate (CaCO(3)) ...

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 weight of calcium in 4 g of a sample of calcium carbonate from another source will be

`0.016 g`

`0.16 g`

`1.6 g`

`16 g`

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