Answers

2014-06-09T14:04:40+05:30
1 mole.............22.4L 
28/14*2=1  mole 
0
2014-06-09T19:16:35+05:30
No. of moles =mass/molecular mass=28/(14*2)=28/28=1mole
1 mole of any gas occupies 22.4L
therefore volume of nitrogen=22.4L
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