1.

From the followingreaction sequence,{:(CaC_(2) + H_(2) O to CaO+ C_(2)H_(2)),(""C_(2)H_(2)toC_(2)H_(4)),(""nC_(2)H_(4) to (C_(2)H_(4))_(n)):} calculate the mass of polyethylenewhichcan be produced from 10 kg of CaC_(2)

Answer»

Solution :Wt. of `(C_(2)H_(4))_(n) = (1000 g CaC_(2)) xx ((1 "mole CA"C_(2))/(64 "g Ca"C_(2))) `
`((1 "mole "C_(2)H_(2))/(1"mole Ca" C_(2)))xx ((" 1 mole " C_(2) H_(4))/( " 1 mole "(C_(2)H_(2))))`
`(("1 mole " (C_(2)H_(4))_(n))/( "n more " C_(2) H_(4))) xx (( " 28 n g " (C_(2) H_(4))_(n))/("1 mole " (C_(2) H_(4))_(n)))`
= 4375 g
(note that n cancels)
Second Method APPLY POACfor C atoms.


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