1.

3.2 g of oxygen (At wt. =16) and 0.2 g of hydrogen (At. Wt. =1) are placed in a 1.2 litre flask at 0^(@)C. The total pressure of the gas mixture will be.

Answer»

Solution :`3.2 g O_(2) =0.1` mol,
`0.2 g H_(2)=0.1` mol,
TOTAL `n=0.2 mol`,
`P=(nRT)/(V) =(0.2xx0.82xx273)/(1.12)=4` atm


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