Question 7 Multiple Choice Worth 3 points)
(01.02 MC)
What volume is equivalent to 14.000 mm
14x 10-5m2
O 14x102m
01 4x 10 cm
1.4 x 10 cm
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Ответ:
18.2 g.
Explanation:
You need to first figure out how many moles of nitrogen gas and hydrogen (gas) you have. To do this, use the molar masses of nitrogen gas and hydrogen (gas) on the periodic table. You get the following:
0.535 g. N2 and 1.984 g. H2
Then find out which reactant is the limiting one. In this case, it's N2. The amount of ammonia, then, that would be produced is 2 times the amount of moles of N2. This gives you 1.07 mol, approximately. Then multiply this by the molar mass of ammonia to find your answer of 18.2 g.