Asked by Zach

A sample of gas contains 0.1900 mol of HBr(g) and 9.500×10-2 mol of Cl2(g) and occupies a volume of 11.2 L. The following reaction takes place:

2HBr(g) + Cl2(g)2HCl(g) + Br2(g)

Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant.
Answered by Steve
Looks unchanged to me.

3 moles -> 3 moles
Answered by Steve
well, maybe not. There will be no volume change if everything reacts, If there are fractional parts left over, they will make their own contributions. So, yeah, find how many moles reacted, and so forth.
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