What is the identity of the gas?

Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
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At standard pressure and 373 K, a 0.333-g sample of an unknown pure gas occupies a volume of 0.255 L. What is the identity of the gas?

Expert Solution
Step 1

Ideal gas equation :- 

PV = nRT  

Where ; 

P is the pressure of gs 

V is the volume of gas 

n represents number of moles 

R is the universal gas constant ( 0.082 L-atm/mol-k)

T is the temperature in kelvin 

 

Number of moles = mass/molar mass 

So, molar mass = mass/moles

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