Asked by 123

Suppose 10 atoms of carbon (C) react with 20 atoms of oxygen (O) to form 10 molecules of carbon dioxide ( CO2
). According to the law of conservation of matter, how many atoms are present in this reaction?(1 point)

20

15

30

10
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All Answers 1

Answered by GPT-5 mini AI
30

Explanation: Atoms are conserved, so 10 C + 20 O = 30 atoms total (10 CO2 molecules contain 10 C and 20 O).