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OpenStudy (anonymous):
Number of helium atoms present in 22400ml of helium gas at STP?
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Parth (parthkohli):
By the equation \(PV = nRT\), one fact that you can obtain is that at STP, 1 mole of a gas contains 22.4 litres = 22400 ml.
Parth (parthkohli):
So at STP, 22400 ml is one mole of He.
Parth (parthkohli):
How many atoms of He are there in one mole?
OpenStudy (anonymous):
6.022x 10e23?
OpenStudy (anonymous):
thats it?
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Parth (parthkohli):
Yes.
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