sweetgigi2364
05.01.2021 •
Chemistry
4. How many moles of oxygen gas are needed to react completely with
3.0 moles of C2,H6.?
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Ответ:
Hey there!:
Mole ratio :
2 C₂H₆ + 7 O₂ → 4 CO₂ + 6 H₂O
2 moles C₂H₆ 7 moles O₂
3.0 moles C₂H₆ moles O₂ ??
moles O₂ = 3.0 x 7 / 2
moles O₂ = 21 / 2
moles O₂ = 10.5 moles of O₂
Hope this helps!
Ответ: