The solubility of AgCl (Ksp = 1.2 x 10–10) in a 0.10 M NaCl solutio

1.	The solubility of AgCl (Ksp = 1.2 x 10–10) in a 0.10 M NaCl solution is:(a) 0.1 M (b) 1.2 x 10–6 M(c) 1.2 x 10–9 M (d) 1.2 x 10–10 M
Answer» Correct option: (c) 1.2 x 10^–9 M Explanation: K_sp AgCl = 1.2 x 10^–10 = [Ag⁺] [Cl^–] = [s][s + 0.1] where s is solubility of AgCl ∴ K_sp = s x 0.1 = 1.2 x 10^–10 ∴ s = 1.2 x 10^–9 M

The solubility of AgCl (Ksp = 1.2 x 10–10) in a 0.10 M NaCl solution is:(a) 0.1 M (b) 1.2 x 10–6 M(c) 1.2 x 10–9 M (d) 1.2 x 10–10 M

Answer»

Correct option: (c) 1.2 x 10^–9 M

Explanation:

K_sp AgCl = 1.2 x 10^–10 = [Ag⁺] [Cl^–] = [s][s + 0.1]

where s is solubility of AgCl

∴ K_sp = s x 0.1 = 1.2 x 10^–10

∴ s = 1.2 x 10^–9 M

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The solubility of AgCl (Ksp = 1.2 x 10–10) in a 0.10 M NaCl solution is:(a) 0.1 M (b) 1.2 x 10–6 M(c) 1.2 x 10–9 M (d) 1.2 x 10–10 M

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