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6-2.Equilibrium-II (Ionic Equilibrium)
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$AgCl$ ના  દ્રાવ્યતા ગુણાકાર $8 \times 10^{-6}$ છે. તો $0.01\, M\, NaCl$ ની દ્રાવ્યતાની હાજરીમાં નવી દ્રાવ્યતા શોધો.

A

$7 \times 10^{-3}$

B

$8 \times 10^{-4}$

C

$7 \times 10^{-9}$

D

$8 \times 10^{-8}$

Solution

$AgCl  \rightleftharpoons  Ag^+ + Cl^-$

$1 $          $s$        $ s$

$NaCl  \rightleftharpoons  Na^+ + Cl^-$

$C$        $0$         $0$ 

$0$         $C$          $C$

$AgCl  \rightleftharpoons  Ag^+ + Cl^-$

$1' $        $s'$          $s' + C$

$Ksp = [Ag^+] [Cl^-] = [s']$

$[s' + C] = s'^2 + s^1C$       

$s'^2 =$ અવગ્ન્ય

$Ksp = s^1C$

$s' = \frac{{8 \times {{10}^{ – 6}}}}{{0.01}}\,\,\,\,\,\,\,s' = 8 \times {10^{ – 4}}$

Standard 11
Chemistry

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