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What is the percentage weight of metalli...

What is the percentage weight of metallic element in the constitution of calcium carbonate?

Text Solution

Verified by Experts

Gram molecular weight of `CaCO_(3)=100g`
% wt. of Ca= `(40)/(100) xx 100=40%`
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Knowledge Check

  • 10g of Calcium carbonate contains

    A
    10 moles of `CaCO_(3)`
    B
    1 gram atom of Calcium
    C
    `6xx10^(22)` atoms of Calcium
    D
    0.1 g of Calcium

  • 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

    A
    0.016 g
    B
    0.16 g
    C
    1.6 g
    D
    16 g

  • 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

    A
    0.016g
    B
    0.16g
    C
    1.6g
    D
    16g

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