Neco 2018 Chemistry Question 8

Practice essay / theory question 8 from the 2018 Neco Chemistry examination. This question covers Solubility .

Neco 2018 Chemistry Essay / Theory
Topic: Solubility
Question 8 NECO • 2018 • CHEMISTRY • essay

Silver chloride (AgCl) is a sparingly soluble salt with a solubility product \(K_{sp}=1.8\times10^{-10}\) at 25 °C. The following situations are considered:

Question Parts

( a )
Calculate the molar solubility of AgCl in pure water.
( b )
If the solution already contains 0.010 mol dm⁻³ NaCl, determine the new solubility of AgCl.
( c )
Ammonia forms the complex ion \([Ag(NH_{3})_{2}]^{+}\) with a cumulative formation constant \(\beta_{2}=1.6\times10^{7}\). Assuming the solution contains 0.10 mol dm⁻³ NH₃ and that the only silver species present are Ag⁺ and the complex, calculate the solubility of AgCl in this solution.

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About This Question

This is Neco 2018 Chemistry Question 8. It is one of the essay questions from the 2018 Neco Chemistry examination.

The question covers Solubility .

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