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What is the volume of 0.9 g of O2 at STP?
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What is the volume of 0.9 g of O2 at STP?

User Chrism
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I don’t sure but I think it is Assuming that the gas is at standard temperature and pressure (STP), one mole of any gas occupies 22.4 L . This means the number of moles of O2 is 222.4=0.089 mol .
User Bill Paetzke
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