The vapour density of a mixture containing NO_(2) " and "N_(2)O_(4) is 38.3 " at " 33_(@)C calculate the no. of moles of NO_(2) if 100kg "of" N_(2)O_(4) were taken initially.

The vapour density of a mixture containing NO_(2) " and "N_(2)O_(4) is

1.	The vapour density of a mixture containing NO_(2) " and "N_(2)O_(4) is 38.3 " at " 33_(@)C calculate the no. of moles of NO_(2) if 100kg "of" N_(2)O_(4) were taken initially.
Answer» Solution :`N_(2)O_(4)(G)iff2NO_(2)(g)` `M_(mix)=2xx38.3=76.6` `N_(2)O_(4)iff2NO_(2)` `{:(t=0,a,0),(t=t,a-aalpha,2aalpha):}` no. of MOLES of `NO_(2)=`"no. of moles of" N`O_(2)=2_(aalpha)=(2xx100xx0.2)/(92)=0.435`