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The number of moles of sodium oxide in 6...

The number of moles of sodium oxide in 620 g of it is

A

1 mol

B

10 moles

C

18 moles

D

100 moles

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The correct Answer is:
B
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TARGET PUBLICATION-SOME BASIC CONCEPTS OF CHEMISTRY-CRITICAL THINKING
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  4. The number of water molecules in 1L of water is :

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  5. 1 mol of CH(4) contains

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  6. Mass of 1 atom of Hydrogen is -

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  7. 1gm-atom of nitrogen may represent:

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  9. How many moles of electrons weigh one kilogram? (Mass of electron =9...

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  10. Which of the following has maximum number of atoms?

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  17. The empirical formula of a compound is CH. Its molecular weight is 78....

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