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How many moles of O-atoms are in 2.7xx10...


How many moles of O-atoms are in `2.7xx10^(25)` molecules of `CO_(2) (N_(A)=6xx10^(23))`

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ALLEN-MOLE CONCEPT-Basic Exercise
  1. Find moles of O-atoms in 5.6 litres of SO(3) at 0^(@)C ,1 atm ?

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  2. How many atoms are there in 5 moles of silver (N(A)=6xx10^(23))

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  3. How many moles of O-atoms are there in 1 mole CaCO(3)

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  4. How many moles of O-atoms are in 2.7xx10^(25) molecules of CO(2) (N(A)...

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  5. Find number of O-atoms in 1 moles O(2)

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  6. Find moles of Cu atom and number of Cu atoms in it's 0.635 gm

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  7. Find number of molecules in 11.35 litres SO(2) gas at STP.

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  8. 2NH(3) to N(2) + 3H(2) Find moles of H(2) produced from 4 moles of ...

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  9. CaCO(3) + 2HCl to CaCl(2) + H(2)O + CO(2) 0.2 mole CaCO(3) is reacte...

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  10. NH(2)C"OO"NH(4) overset(Delta)to 2NH(3) + CO(2) If 6 moles of NH(3) i...

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  11. KClO(3) to KCl + O(2)(unbalanced), If in above reaction 5 moles of K...

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  12. 2NH(3) to N(2) + 3H(2) If at the reaction, 18 mole of H(2) is produ...

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  13. A 2000 gm sample of CaCO(3) is 80 % pure. Find weight ( in gram ) of...

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  14. An impure sample ( having 60 % purity ) of KClO(3) contains 30 gm of p...

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  15. A 200 gm sample of CaCO(3) having 40 % purity is heated. Find moles...

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  16. 5 moles of CaCO(3) on heating yeilded 2 moles of CO(2) .Find % yield o...

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  17. 245 gm of KClO(3) on heating yielded 64 gm O(2).Find % yield of reacti...

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  18. A to 2B + C 3B to 2D Find moles of D produced if initially 3 mole...

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  19. {:(2A +3B to 4C + D),(" "darr),(" (excess)"),(3C to 2E):} ...

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  20. 2 moles carbon and 1.5 moles of oxygen gas are reacted in a container ...

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