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13 February, 10:08

A chemical equation is shown:

AI + O2 → Al2O3

According to the law of conservation of mass, how many atoms of oxygen exist in the products of this reaction?

A) 6

B) 5

C) 3

D) 2

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Answers (1)
  1. 13 February, 10:23
    0
    The answer is A because you have to balance the equation first then answer.
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