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How many molecules are present in 2.24 m...

How many molecules are present in 2.24 ml of a gas at STP ?

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The correct Answer is:
`6.022 xx 10^21` molecules
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MBD PUBLICATION-BASIC CONCEPT OF THEORY-QUESTION BANK
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  3. How many molecules are present in 2.24 ml of a gas at STP ?

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  4. How many atoms of fluorine are there in 1.9 xx 10 ^(-6) gram of fluor...

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  5. What is gram molecular volume?

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  6. Calculate the number of moles of oxygen in 11200 cc volume at STP.

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  7. How many moles of nitrogen are present in 560 cc of it at STP.

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  8. How many moles of nitrogen and nitrogen dioxide are present when the v...

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

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

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

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

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

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

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

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

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  18. 18 g of water contains :

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

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

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