Lisa B.

asked • 04/20/18

A 18.50 gram sample of a gas exerts a pressure of 2.40 atmospheres when held in an 7.00 liter at 25.0 °C. What is the molar mass of the gas?

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Arturo O.

Student,
 
I noticed you posted several similar problems that are all solved using 
 
PV = nRT
 
P = nRT/V
 
T = PV/(nR)
 
V = nRT/P
 
n = PV/(RT)
 
n = mass / (molecular weight)
 
I suggest you review the answered questions, and then try working with one or more of the equations above to solve the rest of the problems.
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04/20/18

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