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Question

Weight of how many moles of helium will be equal to the weight of 1 mole of oxygen molecule?


A
8
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B
4
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C
16
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D
2
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Solution

The correct option is A 8

Molar mass of O2 =32.

Molar mass of helium =4

So 8 helium moles will weigh equal to 1 mole of oxygen.


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