1.

A pre-weighes vessel was filled with oxygen at N.T.P. and weighed. It was then evacuated, filled with SO_(2) at the same temperature and pressure, and again weighted. The weight of oxygen will be

Answer»

The same as that of `SO_(20`
`(1)/(2)` that of `SO_(2)`
TWICE that of `SO_(2)`
One fourth that of `SO_(2)`

Solution :`("M. wt. of " O_(2))/("M.wt . of "SO_(2))implies (M_(1))/(M_(2))implies(32)/(64)=(1)/(2)`
The weight of oxygen will be `(1)/(2)` that of `SO_(2)`


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