A sample of He gas occupies 5.6 litre volume at 1 atm and 273K. How many mole of He are present in the sample?
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0.25
Explanation:
GIVEN DATA
273k =temperature
1atm= pressure
1mole of any gas abstract occupies 22.4L
so He gas occupies 5.6L
No.of moles of He are present in the sample
= 5.6÷22.4 remove the point
= then 56÷ 224
= 0.25
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