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How many grams atoms of oxygen are prese...

How many grams atoms of oxygen are present in 1 mole of `CaCO_3`?

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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. How many moles of nitrogen and nitrogen dioxide are present when the v...

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  2. What is the true value of Avagadro 's number ?

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  3. How many grams atoms of oxygen are present in 1 mole of CaCO3?

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  4. Calculate the number of molecules in 0.1 mole of SO2.

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  5. Between one gram of water and one gram of methanol which has more numb...

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  6. Calculate the number of atoms of oxygen present in 88 g of CO2.

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  7. Haemoglobin contains 0.33% of iron by weight . The mol. Wt. of haemogl...

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  8. How many grams atoms of S are present in 0.25 g of S

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  9. In a vessel 2 g of O2 2g Of H2 and 2 g of N2 are present. Which has th...

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  10. How many grams of H2SO4 are present in o.25 mole of H2SO4.

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  11. 18 g of water contains :

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  12. The number of atoms in 0.004 g of magnesium is closed to :

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  13. The number of electrons in a mole of hydrogen molecule is :

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  14. One mole of CO2 contains

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  15. The number of moles of BaCO3 Which contains 1.5 moles of oxygen atom i...

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  16. How many moles of KI are required to produce 0.4 moles 0.4 K2HgI4 ?

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  17. Volume of 4.4 g of CO2 at STP is :

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  18. 4.4 g of an unknowm gas occupies 2.24 litres of volume at STP. The gas...

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  19. Which one of the following has the smallest number of molecules ?

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  20. Choose the wrong statement

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