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Grade 11AIIMS MBBS

A 1.27g gas occupies a volume of 1.13L at 25°C and 746 mm Hg. The gas may be
(1) CO
(2) CO2
(3) CH4
(4) N2O

Profile image of Abhishek Dogra
8 Years agoGrade 11
Answers icon

1 Answer

Profile image of Arun
8 Years ago
Dear student
 
As we know
 
PV = n RT
 
PV = (w /m) RT
 
(746/760) * 1.13 = (1.27 / m) 0.0821 * 298
 
m = 1.27 * 0.0821 * 298 *760/ (1.13 * 746)
 
m = 28.012
 
Hence gas is CO

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