Equal weights of methane and oxygen is mixed in an empty container at 298 K. The fraction .of total pressure exerted by oxygenis .....

Equal weights of methane and oxygen is mixed in an empty container at

1.	Equal weights of methane and oxygen is mixed in an empty container at 298 K. The fraction .of total pressure exerted by oxygenis .....
Answer» <P>`1//3` `1//2` `2//3` `1//3 XX 273 xx 298` SOLUTION :`1//3` Massof METHANE= massof oxygen= a numberof molesofmethane`=(a)/(16)` numberof molesof Oxygen`= ((a)/(32))/( a/(16)+a/(32))` ` =((a)/(32))/( (3a)/(32)) =1/3` partialpressureofoxygen =MOLEFRACTION` xx`totalpressure`= 1/3` P