1.

"Equivalent conducatance of 0.1 M HA (Weak acid) soution is 10" Scm^(2) "equivalent (-1) Hence pH of HA solution is"

Answer»

1.3
1.7
2.3
3.7

Solution :`ALPHA = (wedge)/(wedge_(oo))=(10)/(200)=(1)/(20)`
`[H^(+)]_("weak acid") = C "alpha"= 0.1 xx(1/20) =5xx10^(-3)`
pH=3-log5 = 2.3


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