Question

For each of the salts on the left, match the salts on the right that can be directly compared, using Ksp values, to estimate solubilities. (If more than one salt on the right can be directly compared, include all the relevant salts by writing your answer as a string of characters without punctuation, e.g. ABC.) 1. lead hydroxide A. AgBr 2. iron(II) sulfide B. AgCl C. Mn(OH)2 D. AgOH Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water. lead hydroxide: Ksp = [Pb2+][OH-]^2 iron(II) sulfide: Ksp = [Fe2+][S2-] Note: Multiply out any number and put it first in the Ksp expression. Combine all exponents for s.

          For each of the salts on the left, match the salts on the right that can be directly compared, using Ksp values, to estimate solubilities. (If more than one salt on the right can be directly compared, include all the relevant salts by writing your answer as a string of characters without punctuation, e.g. ABC.)

1. lead hydroxide                          A. AgBr 
2. iron(II) sulfide                               B. AgCl 
C. Mn(OH)2 
D. AgOH

Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water.

lead hydroxide: Ksp = [Pb2+][OH-]^2
iron(II) sulfide: Ksp = [Fe2+][S2-]

Note: Multiply out any number and put it first in the Ksp expression. Combine all exponents for s.

Added by Wendy N.

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