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    Chemistry The Central Science
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    Exam 3: Stoichiometry: Calculations With Chemical Formulas and Equations
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    Magnesium and Nitrogen React in a Combination Reaction to Produce
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Magnesium and Nitrogen React in a Combination Reaction to Produce

Question 101

Question 101

Multiple Choice

Magnesium and nitrogen react in a combination reaction to produce magnesium nitride: 3 Mg + N2 → Mg3N2
In a particular experiment, a 8.33-g sample of N2 reacts completely. The mass of Mg consumed is ________ g.


A) 7.23
B) 21.7
C) 28.9
D) 0.92
E) 13.9

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