1.

A 10L flask at 300K contains a gaseous mixture of CO and CO_(2) at a total pressure of 2.0 atm. If 0.2 mol of CO is present, the partial pressure of CO_(2) is ( Use R = 0.082 atm mol^(-1) K^(-1) )

Answer»

<P>0.49 atm
1.49 atm
1.51 atm
2.49 atm

Solution :`p = p ( CO ) + p ( CO_(2)) = 2.0 atm`
`p(CO) = ( 0.2 XX 0.082 xx 300)/( 10)`
`= 0.49` atm
`p ( CO_(2)) = 2-0.49 = 1.51 atm`


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