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Calculate the number of moles in 25 gram...

Calculate the number of moles in 25 grams of calcium carbonate ?

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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
  1. Find out the number of molecules in 0.5 g of nitrus oxide ?

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  2. How many atoms are present in 49 grams of H2SO4 ?

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  3. Calculate the number of moles in 25 grams of calcium carbonate ?

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  4. How many gram atoms of oxygen are present in 11.2 litres of CO2 at NTP...

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  5. One mole of nitrogen occupies ml volume at NTP ?

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  6. What is the mass of half a mole of oxygen atom ?

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  7. How many moles of hydrogen are there in one mole of hydrogen peroxide ...

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  8. What is the molar volume of 2 grams of hydrogen gas at NTP taking the ...

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  9. State Avogadro's hypothesis ?

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  10. fill up the gap : 2 mole of nitrogen occupies ml at NTP.

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  11. Avogadro's number of helium weight how many grams ?

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  12. What is the relationship between molecular mass and vapour density ?

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  13. What volume of CO2 is liberated at NTP from 0.1 mole of CaCO3?

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  14. What is the volume of 17.75 g of chlorine at NTP ?

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  15. 50 ML of CO2 at NTP weight 0.0982 gm. calculate the molecular mass of ...

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  16. What is mean by average atomic mass ?

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  17. Calculate the mass of 1 atom of carbon and 2 atoms of oxygen ?

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  18. 1 litre gas at NTP weight 0.5 g what is molecular mass of gas ?

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  19. Calculate the molecular mass of a gas If 0.5 g of it occupies 224 cc ...

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  20. What is the gram molecular volume of a gas ? What is its value at NTP ...

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