Calculate the moles of insoluble CH3COOAg in mixture #1 at equilibrium.
Calculate the moles of insoluble CH3COOAg in mixture #1 at equilibrium :
Ag+(aq) + CH3COO- (aq) <===> CH3COOAg (s)
Ksp = [Ag+] [CH3COO-] = 0.042 M * 0.12 M = 5.04 x 10-3
for mixture #1 :
CH3COOAg (s) <===> Ag+(aq) + CH3COO- (aq)
initial 1 0 80 mM = 0.08 M
eq. 1-x x x + 0.08
Ksp = [Ag+] [CH3COO-] = x * x+0.08 = 5.04 x 10-3
x2 + 0.08*x - 5.04 x 10-3 = 0
on solving : x ~ 0.042 M
thus ,
insoluble CH3COOAg , for 1 L solution ~ 0.02 moles
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