Asked by Toni Jones
A sample of a gas weighs 4.526g and has a volume of 890.9 mL at 645.0 torr and 29(degrees C). What is its molar mass?
I just need help setting this up!
I just need help setting this up!
Answers
Answered by
wini
First You convert 645.0 torr to atm, and also mL to L. You use PV=nRT, to find the number of moles.
Then you use the number of moles to get the molar mass. mol= mass/molar mass
Then you use the number of moles to get the molar mass. mol= mass/molar mass
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