What is the volume at s.t.p - Leaving Cert Chemistry - Question g - 2016
Question g
What is the volume at s.t.p. of 2 moles of helium (He) gas?
Worked Solution & Example Answer:What is the volume at s.t.p - Leaving Cert Chemistry - Question g - 2016
Step 1
Calculate the molar volume
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Answer
At standard temperature and pressure (s.t.p.), the molar volume of a gas is approximately 22.4 liters per mole. Therefore, the volume for 1 mole of helium is 22.4 liters.
Step 2
Calculate the total volume for 2 moles
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Answer
To find the volume of 2 moles of helium, we multiply the molar volume by the number of moles:
extVolume=2imes22.4extliters=44.8extliters
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