1.

3.6 gram of oxygen is adsorbed in 1.2g of metal powder. What volume of oxygen adsorbed per gram of the adsorbent at STP ?

Answer»

`0.19Lg^(-1)`
`1 Lg^(-1)`
`2.1Lg^(-1)`
none of these

Solution :Mass of `O_(2)` per GRAM of adsorbent `=(3.6)/(1.2)=3`
No. of moles of `O_(2)` per gram of adsorbent `=(3)/(32)`
VOLUME of `O_(2)` per gram of adsorbent `=(3)/(32)XX(0.082.273)/(1)=2.10`


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