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6-2.Equilibrium-II (Ionic Equilibrium)
medium

$AgCl$ નું $K_{sp}\, 10^{-10}$ તો $1.43 \,gm\, AgC$ ના સંતૃપ્ત દ્રાવણને બનાવવા દ્રાવણનું કદ કેટલું ? $[M.W. = 143]$

A

$10^6$

B

$10^4$

C

$10^3$

D

$10^2$

Solution

$AgCl ⇌ Ag^+ + Cl^-$

$\sqrt {Ksp}  = S\,,\,\,\,{S^2} = {10^{ – 10}}\, \Rightarrow \,\,S = {10^{ – 5}}$

$M = \frac{{1.43}}{{143 \times V}}\,\,\, \Rightarrow \,\,{10^{ – 5}} \times 100 = \frac{1}{V}$

${10^{ – 3}} = \frac{1}{V}\,\,\,\, \Rightarrow \,\,V = {10^3}$

Standard 11
Chemistry

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