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OpenStudy (anonymous):

Number of helium atoms present in 22400ml of helium gas at STP?

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?

Parth (parthkohli):

Yes.

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