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Mass- 83g Volume before candle was burnt - 1000 mL Volume after candle was burnt - 964.2 mL Atmospheric...

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Chemistry

Mass- 83g
Volume before candle was burnt - 1000 mL
Volume after candle was burnt - 964.2mL
Atmospheric pressure - 1.09 atm
Temperature - 296 Kelvins

1) Using the ideal gas law, calculate the number ofmoles of air originally present in the 250 mL flask
2) calculate the number of moles of air present in theflask after the candles burnt
3) calculate the number of moles of oxygen consumedbased on the ideal gas law calculations

Answer & Explanation Solved by verified expert
4.1 Ratings (525 Votes)
1 Volume before candle was burnt 1000 mL but in 250 ml flask only 250 ml air can occupied so volume 250 ml 025 L P    See Answer
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