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Praxis II: Chemistry Exam Prep

Category - Chemistry

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What set of coefficients correctly balances the following equation?

____CH3OH(l) + _____O2(g) --> _____CO2(g) + _____H2O(g)

2, 3, 2, 1
1, 2, 2, 1
2, 3, 4, 2
2, 3, 3, 4
2, 3, 2, 4

Explanation

Answer: 2, 3, 2, 4

Use the law of conservation of mass to balance this equation by inspection. The correct coefficients are 2, 3, 2, 4.

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