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The molar mass of a substance is 20g. Th...

The molar mass of a substance is 20g. The molecular mass of the substance is

A

20g

B

20amu

C

10g

D

10amu

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-STOICHIOMETRY-Objective Exercise -1
  1. The charge present on 1 mole electronsis

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  2. The weight of 0.1 mole of Na(2)CO(3) is

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  3. The molar mass of a substance is 20g. The molecular mass of the substa...

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  4. Avogadro number of helium atoms have a mass of

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  5. The volume of two moles of oxygen at STP

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  6. The following property of a gas does not vary with pressure and temper...

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  7. The ratio between the number of molecules in equal masses of nitrogen ...

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  8. The gas which is twice as dense as oxygen under the same conditions is

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  9. 1 mole of water vapour is condensed to liquid at 25^(@)C. Now this wat...

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  10. A chemical equation is always balanced with respect which one of the f...

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  11. Which of the following has highest mass?

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  12. 1 gram of hydrogen contains6xx10^(23) atoms. Then 4 grams of He contai...

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  13. Elements 'A' and 'B' combine in the ratio of their

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  14. Mg of a substance when vaporized occupy a volume of 5.6 litre at NTP. ...

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  15. Which among the following is the heaviest?

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  16. Molecular weight of orthophosphoric acid is M. Its equivalent weight i...

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  17. Which of the following acid has the same molecular weight and equivale...

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  18. The equivalent mass of CaCO(3)

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  19. 0.5g of a metal on oxidation gave 0.79g of its oxide. The equivalent m...

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  20. The vapour density of a volatile chloride of a metal is 59.5 and the e...

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