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Question

The graph drawn between pressure and volume in Boyle's law experiment is shown in figure for different masses of same gas at same temperature then


24869.png
  1. m1>m2
  2. m31>m2
  3. m1=m2
  4. m2>m1

A
m1=m2
B
m1>m2
C
m2>m1
D
m31>m2
Solution
Verified by Toppr

From ideal gas equation, PV=nRT
and n = wM where M is the molecular weight of the gas
Now PV = wMRT
so, we draw a vertical line at a volume say V0.
Then for this volume, we see that pressure is higher for the gas with molecular weight as M2 (from the graph) hence, this means that M2 must be smaller than M1

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