What is the Ksp of AgCl if the solubility of AgCl in water is 1.0 x 10^-5 M?

Practice Questions

Q1
What is the Ksp of AgCl if the solubility of AgCl in water is 1.0 x 10^-5 M?
  1. 1.0 x 10^-10
  2. 1.0 x 10^-5
  3. 1.0 x 10^-15
  4. 1.0 x 10^-20

Questions & Step-by-Step Solutions

What is the Ksp of AgCl if the solubility of AgCl in water is 1.0 x 10^-5 M?
  • Step 1: Understand that Ksp (solubility product constant) is calculated using the concentrations of the ions in a saturated solution.
  • Step 2: Recognize that AgCl (silver chloride) dissociates in water into Ag+ (silver ions) and Cl- (chloride ions).
  • Step 3: Write the dissociation equation: AgCl (s) ⇌ Ag+ (aq) + Cl- (aq).
  • Step 4: Note that the solubility of AgCl is given as 1.0 x 10^-5 M. This means that in a saturated solution, the concentration of Ag+ is 1.0 x 10^-5 M and the concentration of Cl- is also 1.0 x 10^-5 M.
  • Step 5: Use the Ksp formula: Ksp = [Ag+][Cl-].
  • Step 6: Substitute the values into the formula: Ksp = (1.0 x 10^-5)(1.0 x 10^-5).
  • Step 7: Calculate the result: Ksp = 1.0 x 10^-10.
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