the % by volume of C4div0 in a gaseous mixture of C4div0,CH4 and CO is 40 .when 200 ml in the mixture is burnt in excess of O2 . find volume ( in ML) of CO2 produced

'x' gm of a compound A3B2C5 contains 'y' gm of A atoms

 

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how to represent the possible fischer projections for 2-bromohexane