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Equal masses of three gases CH4 ,SO2 , O...

Equal masses of three gases `CH_4 ,SO_2 , O_2 ` are mixed in empty container at 298 K. the vessel records a pressure of 2.1 atm. What is the partial pressure of methane in the mixture

A

12 atm

B

0.12 atm

C

1.2 atm

D

none of these

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The correct Answer is:
B
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