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What is the volume at s.t.p - Leaving Cert Chemistry - Question g - 2016

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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 ext{Volume} = 2 imes 22.4 ext{ liters} = 44.8 ext{ liters}

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