What coefficient is needed in front of the O₂ molecule to balance the following equation? A)8 B)13 C)5

Question

Quizplus · Accepted Answer

By examining the equation, we can see that there are 11 oxygen atoms on the left-hand side and 26 oxygen atoms on the right-hand side. Therefore, we need to add 15 more oxygen atoms to the left-hand side. The O₂ molecule contains 6 oxygen atoms, so we need to add 2.5 times this molecule to balance the equation. To get a whole number coefficient, we need to multiply by 2, which gives us 13. Therefore, the coefficient needed in front of the O₂ molecule is 13.

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What Coefficient Is Needed in Front of the O₂ Molecule