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Calculate the number of moles of iron in...

Calculate the number of moles of iron in a sample containing '1.0 xx 10^(22)' atoms.

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V PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-QUESTION BANK
  1. Calculate the number of atoms in: i. 0.25 mole àtoms of carbon ii. 0...

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  2. A fIask P contains 0.5 mole of oxygen gas. Another flask Q contains 0....

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  3. Calculate the number of moles of iron in a sample containing '1.0 xx 1...

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  4. Calculate the no. of moles of phosphorus in 92.9 g of phosphorus assum...

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  5. Calculate the volume at STP occupied by i. 14g of nitrogen

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  6. Calculate the volume of 34 g of 'NH3' at STP?

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  7. The molecular mass of benzene is 78 and its percentage composition is ...

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  8. A compound contains 4.07% hydrogen, 24.27% carbon and 71.65% chlorine....

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  9. Calculate the percentage composition of calcium nitrate (Ca(NO3)2).

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  10. 1.0 g of Mg is burnt in a closed vessel which contains 0.5 g of O2 . W...

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  11. A solution is prepared by dissolving 4 g of NaOH to give 500 ml of it....

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  12. What is the molality of a solution which contians 36 g of glucose '(C6...

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  13. The molecular mass of an organic compound is 78 and its composition i...

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  14. What is the different between the following. (i) 2.5 xx 10^3 g and 2....

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  15. Calculate the number of moles of O2 required to produce 240 g of Mgo ...

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  16. State the number of significant figures in each of the following numbe...

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  17. In the commercial manufacture of nitric acid, how many moles of NO2 pr...

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  18. The number of molecules in 4.25 g of ammonia is approximately

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  19. The number of molecules in 32 g of oxygen is 3.2xx10^(16), 6.0xx10^(2...

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  20. One mole of 'CO2' contains

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