A sample of ethane (C2H6) gas has the same mass as 1.5 X 10^20 molecules of methane (CH4). How many C2H6 molecules does the sample of gas contain

CBSE Class 9 CBSE Class 9 Science
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A sample of ethane (C2H6) gas has the same mass as 1.5 X 10^20 molecules of methane (CH4). How many C2H6 molecules does the sample of gas contain

Answer:
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