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SAT Chemistry

Category - Multiple Choice

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NH₃(g) + CuO(s) --> N₂(g) + Cu(s) + H₂O(g)

What set of coefficients correctly balances the above equation?

3, 3, 1, 2, 3
3, 2, 1, 2, 2
2, 3, 1, 3, 3
1, 2, 3, 2, 2
3, 2, 1, 2, 3

Explanation

Answer: 2, 3, 1, 3, 3

The coefficients must balance the masses of the reactants and products. The correct set is 2, 3, 1, 3, 3.

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