Worksheet: Rearranging Solubility Products

In this worksheet, we will practice rearranging the solubility products of ionic materials to determine molar solubilities or ion concentrations.

Q1:

What is the solubility product of La(MoO)243, given that it has a solubility of 0.00179 g per 100 mL of solution? Give your answer to three significant figures.

  • A 7 . 3 6 × 1 0
  • B 8 . 1 0 × 1 0
  • C 3 . 2 6 × 1 0
  • D 7 . 9 5 × 1 0
  • E 6 . 4 0 × 1 0

Q2:

What is the solubility product of NHMgAsO·6HO442, given that it has a solubility of 0.038 g per 100 mL of solution?

  • A 7 . 1 × 1 0
  • B 2 . 3 × 1 0
  • C 4 . 4 × 1 0
  • D 4 . 5 × 1 0
  • E 6 . 6 × 1 0

Q3:

What is the solubility product of Ba(BrO)·HO322, given that it has a solubility of 0.30 g per 100 mL of solution? Give your answer to two significant figures.

  • A 1 . 6 × 1 0
  • B 4 . 4 × 1 0
  • C 8 . 2 × 1 0
  • D 1 . 3 × 1 0
  • E 5 . 0 × 1 0

Q4:

What is the solubility product of BaSeO4, given that it has a solubility of 0.0118 g per 100 mL of solution? Give your answer to three significant figures.

  • A 5 . 0 0 × 1 0
  • B 1 . 3 9 × 1 0
  • C 6 . 0 3 × 1 0
  • D 6 . 2 4 × 1 0
  • E 1 . 7 7 × 1 0

Q5:

The solubility of TlCl (thallium(I) chloride), an intermediate formed during the isolation of thallium from ores, is 3.46 grams per liter at 20C. What is its solubility product? Give your answer to three significant figures.

  • A 2 . 0 8 × 1 0
  • B 1 . 5 8 × 1 0
  • C 3 . 6 3 × 1 0
  • D 1 . 4 4 × 1 0
  • E 1 . 3 2 × 1 0

Q6:

Many of the pigments used by artists in oil-based paints are sparingly soluble in water. For example, the solubility of the artist’s pigment chrome yellow, PbCrO4, is 4.6×10 g/L. What is the solubility product of PbCrO4?

  • A 2 . 1 × 1 0
  • B 7 . 1 × 1 0
  • C 4 . 6 × 1 0
  • D 2 . 0 × 1 0
  • E 1 . 4 × 1 0

Q7:

A solution contains 1.0×10 mol of KI and 0.10 mol of KCl per liter. AgNO3 is gradually added to this solution. Which forms first, solid AgI or solid AgCl?

  • ANeither; they will form simultaneously.
  • B A g I
  • C A g C l

Q8:

A solution contains 2.0×10 mol of KBr and 0.50 mol of KCl per liter. AgNO3 is gradually added to this solution. Which forms first, solid AgBr or solid AgCl?

  • A A g C l
  • B A g B r
  • CNeither; they will form simultaneously.

Q9:

Which of the following is not true for a 0.1 M aqueous solution of Ca(PO)342 at equilibrium?

  • A [ H O ] [ P O ] 2 4 3 >
  • B [ P O ] [ H P O ] + [ H P O ] + [ H P O ] 4 3 3 4 2 4 4 2 >
  • C [ H P O ] [ H P O ] 3 4 2 4 >
  • D [ H ] [ H P O ] + 3 4 >
  • E [ O H ] [ H ] + >

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