there are 6.02 x 10^23 molecules of CO2 in a closed container at standard temperature and pressure. How many liters does this amount of gas occupy?
A. 6.02 liters
B. 1 liters
C. 10 liters
D. 22.4 liters
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2018-06-07 8:12 am
回答 (3)
2018-06-07 8:17 am
✔ 最佳答案
1 mole of CO₂ contains 6.02 × 10²³ molecules.No. of moles of CO₂ = (6.02 × 10²³ molecules) / (6.02 × 10²³ molecules/mol) = 1 mol
1 mole of gas occupies a volume 22.4 L at standard temperature and pressure.
Volume of CO₂ = (1 mol) × (22.4 L/mol) = 22.4 L
The answer: D. 22.4 liters
2018-06-07 8:17 am
22.4 Liters because 6.02 x 10^23 molecules CO2 converted to moles is dividing by avogadros number which just so happens to be 6.02 x 10^23, so its 1 mole CO2, then you just multiply your moles to the molar volume constant 22.4L, and 1x22.4= 22.4
2018-06-07 10:02 am
The follow statement is very useful when solving problems about gasses. “The volume of one mole of gas at standard temperature and pressure is 22.4 liters”. 6.02 * 10^23 is one mole of molecules. So, the number of liters is 22.4. So D is the correct answer.
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