A. 1 moles
B. 2 moles
C. 4 moles
D. 8 moles
2 H2O ---> 2 H2 + O2 what is the total number of moles of O2 produced when 8 moles of H2O decompose in this reaction?
2018-06-07 8:19 am
回答 (2)
2018-06-07 8:22 am
✔ 最佳答案
2 H₂O → 2 H₂ + O₂Mole ratio H₂O : O₂ = 2 : 1
No. of moles of H₂O decomposed = 8 mol
No. of moles of O₂ produced = (8 mol) × (1/2) = 4 mol
The answer: C. 4 moles
2018-06-07 9:28 pm
there are 8 moles of O in 8 moles of H2O. There are 8 moles of O in 4 moles of O2.
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