HELP!!! When a .340 mol burance, C4H10, is burned with excess oxygen, how many moles of oxygen are consumed?

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HELP!!! When a .340 mol burance, C4H10, is burned with excess oxygen, how many moles of oxygen are consumed?

2007-05-09 19:07:13 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

2 answers

If you write the balanced equation for the combustion of butane, you will see that 6.5 moles of O2 are required.

So now multiply 6.5 by 0.34 for your answer.

2007-05-09 19:22:06 · answer #1 · answered by Gervald F 7 · 1⤊ 0⤋

2C4H10 + 13O2 ---> 8CO2 + 10H2O

moles of burance : moles of oxygen
2 : 13
0.340 : 2.21

2.21 moles of oxygen

2007-05-09 19:38:09 · answer #2 · answered by Anonymous · 2⤊ 0⤋