1.

Ordinary strong solution of HCl, HNO_3 and H_2 SO_4 contains roughly.

Answer»

`1//5, 2//3` and `3//3` FRACTIONS of pure acid and water respectively
`2//3, 1//5` and `3//3` fractions ofpure acid and water respectively
`2//3,3//3` and `1//5` fractions of pure acid and water respectively
None

Solution :`HCL, HNO_3` and `H_2 SO_4` form AZEOTROPE at `20 %. 68 %` and `98 %` respectively by mass of acid.
Therefore, `HCl` "contains" `~~ 20//100 = 1//5`
`HNO_3 "contains" ~~ 68 //100 ~~ 2//3`
`H_2 SO_4 "contains" ~~ 98//100 ~~ 2//3`
Thus, ordinary strong solution of `HCl, HNO_3` and `H_2 SO_4` contains roughly `1//5, 2//3` and `3//3` fractions of pure acid and water respectively.


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