TRAYOBLIZZ01 TRAYOBLIZZ01

22-06-2017
Chemistry

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How many moles of O2 are needed to react completely with 35.0 mol C2H2?

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LeChatNoir LeChatNoir

22-06-2017

2C₂H₂ + 5O₂ ---> 4CO₂ + 2H₂O
2 mol.....5 mol

2 mol C₂H₂ --- 5 mol O₂
35 mol C₂H₂ --- X mol O₂
X = (35×5)/2
X = 87,5 mol O₂

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