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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

A

0.016g

B

0.16g

C

1.6g

D

16g

Text Solution

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The correct Answer is:
C
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -2
  1. Two elements X and Y have atomic weight of 14 and 16 . They form a ser...

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  2. n g of substance X reacts with mg of substance Y to form p g of substa...

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  3. A sample of calcium carbonate (CaCO(3)) has the following percentage c...

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  4. One mole of CH(4) contains

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  5. The number of molecules in one litre of water is (density of water = 1...

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  6. The number of water molecules in a drop of water weighing 5 mg is

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  7. The mass of oxygen required to prepare 2 moles of water is

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  8. The ratio between the number of molecules in equal masses of CH(4) and...

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  9. The number of sulphur atoms present in 0.2 mole of sodium thiosulphate...

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  10. The number of nitrogen molecules present in lc.c of gas at NTP is

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  11. The density of water is 1g/mL. Assuming that there are no intermolecul...

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  12. Oridinary water contain one part of heavy water per 6000 parts of wate...

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  13. A gaseous mixture contains oxygen and nitrogen in the ratio 1:4 by wei...

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  14. An alpha-particle changes into a Helium atom. In the course of one yea...

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  15. The number of oxygen atoms present in 50 g of calcium carbonate is

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  16. The mixture containing the same number of molecules as that of 14 g of...

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  17. The number of atoms of hydrogen present in 1.5 mole of H(2)O is

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  18. Which of the following contains the maximum number of atoms?

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  19. Which contains more number of molecules?

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  20. Which of the following gases has the highest density under standard co...

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