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What coefficients would balance the following equation?
__Al + __O2 → __Al2O3

A- 2Al + 3O2 → 1Al2O3 B-2Al + 3O2 → 2Al2O3

C- 3Al + 3O2 → 2Al2O3 D- 4Al + 3O2 → 2Al2O3

Respuesta :

rtankus

Answer:

D.

Explanation:

Hard to explain.

Just write out original and work with individual variables each. Balance aluminum first and then use LCM for oxygen and rebalance aluminum.
Choice D because if you have 1Al and 2O on the product side you need them to be equal.