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8gms of O(2) has the same number of mole...

8gms of `O_(2)` has the same number of molecules as

A

7 gm CO

B

14 gm of CO

C

22 gm of `CO_(2)`

D

44 gms of `CO_(2)`

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The correct Answer is:
A
No. of molecular `=nxxN`
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NARAYNA-SOME BASIC CONCEPTS OF CHEMISTRY-EXERCISE - I (H.W)(MOLE CONCEPT ATOMIC MASS, MOLECULAR MASS, AVOGADRO NUMBER)
  1. The vapour density of ethyl alcohol vapour is

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  2. Maximum number of atoms are present in

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  3. The number of atoms in 0.004g of magnesium will be

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  4. Number of atoms in 55.85 gram Fe ("at.wt. of Fe = 55.85 g mol"^(-1)) i...

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  5. The total number of valence electrons in 4. 2g of N3^- ion are :

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  6. The weight of 1 xx 10^(22) molecules of CuSO(4). 5H(2)O is

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  7. 8gms of O(2) has the same number of molecules as

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  8. Which one of the following gases contain the least number of molecukes...

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  9. The number of molecules present in 4.4g of CO(2) gas is

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  10. Calculate the number of Cl^(-) and Ca^(2+) ions in 222 g anhydrous CaC...

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  11. One mole of CO(2) contains

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  12. Maximum number of electrons are present in

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  13. When equal masses of methane and sulphur dioxide are taken, then the ...

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  14. Molecular weight of a gas is 44. The value occupied by 2.2 grams of th...

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  15. What should be the number of moles of H(2) in 0.224 L of H(2)(g) at ST...

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  16. If V ml. of the vapours of substance at STP weight W g. Then molecular...

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  17. Number of nuetrons present in 1.7 grams of ammonia is-

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  18. The total number of ions present in 1 ml of 0.1 M barium nitrate solut...

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  19. A person adds 1.71 g of sugar (C(12)H(22)O(11)) in order to sweeten hi...

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  20. The total number of protons, electrons and neutrons in 12 g of .(6)C^(...

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