Question

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In a combination reaction, 2.23 g of magnesium is heated with 8.58 g of nitrogen. How many moles of product are formed? Assume the reaction goes to completion.

Hi! i would also like to ask why it becomes 3 Mg + N2 --> Mg3N2
where did the 3 in 3 Mg come from?

Answer 1

Answer:

Explanation:

Magnesium nitride may be prepared by the direct reaction of the elements as shown 3 mg(s)+n2(g)=Mg3N2(s).