Given the equation representing a reaction: 3Mg(s) + N2(g) → Mg3N2(s) What is the mass of Mg3N2 that is produced when 14.58 grams of magnesium completely reacts with 5.60 grams of nitrogen?

Mayya Alocci
May 10, 2024
1 min read

NY Regents Chemistry Exam August 2023 Question 36

36 Given the equation representing a reaction: 3Mg(s) + N2(g) → Mg3N2(s)

What is the mass of Mg3N2 that is produced when 14.58 grams of magnesium completely reacts with 5.60 grams of nitrogen?

(1) 8.98 g

(2) 10.46 g (3) 20.18 g

(4) 49.34 g

Solution: According to the law of conservation of mass, mass can be neither created nor destroyed. Therefore, the mass of reactants must be equal to the mass of the products. 14.58+ 5.60 = 20.18 g

Choice 3

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Given the equation representing a reaction: 3Mg(s) + N2(g) → Mg3N2(s) What is the mass of Mg3N2 that is produced when 14.58 grams of magnesium completely reacts with 5.60 grams of nitrogen?

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