Answered

How many grams of chlorine must be added to a balloon containing 8.00 grams of helium to double its volume?

A4 grams
B79 grams
C8 grams
D16 grams
E2 grams

Verified Answer :

lulu1991

The mole number of helium is 8/4=2 mol. Under same condition, the volume of gas is related to the mole number of the gas. So the mole number of chlorine is also 2 mol which is 142 g.

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