Q.

 One gram molecule of oxygen is

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a

1gm of oxygen

b

32 gms of oxygen

c

16 gms of oxygen

d

8gms of oxygen 

answer is B.

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Detailed Solution

  • one gram molecule is defined as the number of grams of a substance, i.e. the molecular mass of the substance.

Thus, one gram molecule of oxygen will be equal to the molecular mass of the oxygen molecule, which is 32g of oxygen.

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