A glass bulb containing a fine orifice was filled with oxygen gas at pressure of 2 atm. It was seen in 50 mins 0.1gm of oxygen gas was effused out.
Now the glass bulb is completely evacuated and filled with a gas mixture containing oxygen and another gas (x) (mol wt = 162) in the mole ratio of 3:2 at the total pressure of 10 atm. In 100 mins howmany mg of x will be effused out of bulb in nearest possible integers ?
Text Solution
Verified by Experts900
Ans. 900
Sol. At 2 atm pressure, 
= 
× 
In II nd case, 
= 6 atm and p x = 4 atm
At 6 atm pressure, 
= 
× 
× 3 
∴ 
= 
× 
or 
= 
× 
= 
× 
or r x = 
× 
× 
× 
× 3 
= 
× 
× 
× 
× 3 × 162 
or r x = 
× 
× 
× 3 × 162
= 
× 3 
∴ in 100 mins , wt of x gas effused out
= 0.9 gm. = 900 mg
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