Engineering Board Exam Reviewer · Chemistry · medium

The K sp of AgCl is 1.8 × 10-10. What is its molar solubility in pure water?

  1. 1.34 × 10-5 M
  2. 1.80 × 10-10 M
  3. 9.00 × 10-11 M
  4. 5.65 × 10-4 M

Answer

A. 1.34 × 10-5 M

Solution

AgCl Ag+ + Cl-: K sp = s2 s = 1.8 × 10-10 = 1.34 × 10-5 M.

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