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Answer to Question #53012 in Physical Chemistry for fed

Question #53012
experiment, 12.0dm3 of oxygen, measured under room conditions, is used to burn completely 0.10mol of propan-1-ol. What is the final volume of gas
Expert's answer
CH3-CH2-CH2-OH+ 5O2 = 3CO2 + 4H2O
For 1 mole of propan-1-ol it isrequired 5 moles of O2;
For 0.1 mole – X moles of oxygen;
X = 0.1 x 5/1 = 0.5 moles of O2;
1 mole of O2 has volume 22.4 L;
0.5 moles – Y L;
Y = 0.5 x 22.4/1 = 11.2 L (of O2);
The final volume of O2 is: 12-11.2 = 0.8 L;
Answer: 0.8 L 

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