Neco 2017 Chemistry Question 43
Practice objective / multiple choice question 43 from the 2017 Neco Chemistry examination.
A saturated solution of silver chloride at \(25^{\circ}\text{C}\) contains \(1.33\times10^{-5}\ \text{mol L}^{-1}\) of \(\text{Ag}^+\). The solubility product of AgCl is \(K_{sp}=1.8\times10^{-10}\). If \(0.10\ \text{mol}\) of NaCl is added to \(1.0\ \text{L}\) of this solution, determine the new equilibrium concentration of \(\text{Ag}^+\) and the percentage decrease in the solubility of AgCl caused by the common‑ion effect. Give the concentration of \(\text{Ag}^+\) in scientific notation (two significant figures) and the percentage decrease to the nearest whole percent.
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About This Question
This is Neco 2017 Chemistry Question 43. It is one of the objective questions from the 2017 Neco Chemistry examination.
Difficulty level: Medium .
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