Use the unbalanced equation below to answer the question that follows:
Al+O2 →Al2O3
Which of the following sets of coefficients would correctly balance the equation and why? (3b DOK 3)
A.
2, 2, 2; because you must use the same coefficient for each substance
B.
2, 3, 2; because you must have the same number of atoms on each side of the equation
C.
4, 3, 2; because you may have the same number of atoms on each side of the equation
D.
4, 3, 2; because you must have the same number of compounds on each side of the equation
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