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Stells [14]
3 years ago
15

Based on the Law of Conservation of Matter, what number should be placed in the box to balance the chemical equation below?

Physics
2 answers:
Rashid [163]3 years ago
7 0

Answer:

2

Explanation:

Step 1: RxN

4Al + 3O₂ → Al₂O₃

Step 2: Balance RxN

We have 4 Al's and 6 O₂'s on the reactant side.

We need the same number of Al's and O₂'s on the product side.

4Al + 3O₂ → 2Al₂O₃

polet [3.4K]3 years ago
7 0
The answer should be 2. Hope this helps :)
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