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Answer to Question #20474 in Physical Chemistry for Bob

Question #20474
What is the number of moles in 500 L of He gas at STP?
Expert's answer

n=PV/RT ,but under STP& P/RT=1/22.4

So using this,or empirical equation below:

n & 500L
He -------> He
1 & 22.4

n=500/22.4=22.321 moles

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