Answers

2015-10-27T17:11:55+05:30
Nitrogen gas in N2

Molecular mass of 1 mole of N2 is 28g

0.5 moles of N2 = 1/2 mole of N2= 1/2 * 28= 14g
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2015-10-27T19:17:09+05:30
mass of 1 mole of nitrogen gas (N2) = 14*2 = 28 grams
therefore,
mass of 0.5 moles of nitrogen gas =28*0.5
                                                   = 14 grams
 i hope that this will help u...................^_^

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