1.

Calculate the pH of a 0.15 M aqueous solutions of AlCl_(3) Given :[Al(H_(2)O)_(6)]^(3+)(aq)+H_(2)O(l)hArr[(AlH_(2)O)_(5)OH]^(2+)(aq),K_(a)=1.5xx10^(-5)

Answer»

`2.82`
`5`
`9`
`11.18`

Solution :`{:(,AlCl_(3),C=0.15M,(AlCl_(3))"is SAWB SALT",,),(,[AL(H_(2)O)_(6)]^(3+)+,H_(2)O(l)HARR,[Al(H_(2)O)_(5)OH]_(AQ)^(2+)+,H_(3)O_(aq)^(+),K_(a)=1.5xx10^(-5)),(At t=0,0.15,-,0,0,),(At t=t_(eq),0.15(1-alpha),-,0.15alpha,0.15alpha,):}`


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