wendymtz2004
15.10.2019 •
Chemistry
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
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Ответ:
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.
Ответ:
2 and 5
Explanation:
the answer to the second part is 1, 2, and 4