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1 mole by definition represents same num...

1 mole by definition represents same number of particles as

A

Number of atoms present in exactly 8 g of `._8^16O` isotope.

B

Number of molecules in exactly 2 g of `H_2` gas

C

Number of atoms present in exactly 16 g of `._8^16O` isotope

D

Number of atoms present in exactly 12 g of `._6^12C` isotope

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Fill in the following blanks : (a) 1 mole contains "…………." atoms, molecules or ions of a substance. (b) A mole represents an "…………." number of particles of a substances. (c ) 60 g of carbon element are "…………." moles of carbon atoms. (d) 0.5 mole of calcium element has a mass of "…………." . (e) 64 g of oxygen gas contains "…………." moles of oxygen atoms.

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RESONANCE-DPP-QUESTIONS
  1. 1 mole by definition represents same number of particles as

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  2. The weight of a molecule of the compound C6H12O6 is about :

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  3. The mass of half mole of electrons is about (Given: Mass of electron =...

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  4. 39.4 kg of gold was recovered from a smuggler. The number of atoms of ...

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  5. The charge on 1 gram ions of AI^(3+) is . (a). (1)/(27) N(A)e coulomb ...

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  6. Calculate the number of atoms in 0.5 mole atoms of nitrogen.

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  7. In which of the following pairs do 1 g of each have an equal number of...

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  8. The number of atoms in 4.25 g of NH(3) is approximately

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  9. Total number of neutrons present in 4g of heavy water (D(2)O) is : (Wh...

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  10. The atomic weight for a triatomic gas is a. The correct formula for th...

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  11. 124 g of P4 will contain which of the following : (1) 4 atoms of ...

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  12. Among the following samples, select the sample which contains maximum ...

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  13. A gaseous mixture contains oxygen and nitrogen in the ratio of 1 : 4 b...

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  14. Sulphur exist in different allotropic forms like S(2),S(6) and S(8) et...

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  15. The one which has least mass, is

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  16. Which of the following contains the greatest number of atoms?

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  17. Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercur...

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  18. An element is found in nature in two isotopic forms with mass numbers ...

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  19. What is the ratio of weights of O2 and SO2, the mixture of which conta...

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  20. 360 amu of Glucose (C6H12O6) contains :

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