October 9, 2015

Homework Help: Chemistry

Posted by Anonymous on Thursday, May 8, 2014 at 6:52pm.

How many grams of nitrogen are required to react with 2.79g of hydrogen to produce ammonia?
A) 25.8 g B) 13.0 g C) 78.2 g D) 38.7 g E) 77.4 g

I get the answer as 38.7 but it is meant to be B
I did 2.79g x 3molH2/2.016g/mol x 1molN2/3molH2 x 28.02g/mol/1moleN2

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