Welcome to the Quiz!

This quiz contains 6 questions from a mix of 1 subtopics.

Which solutions, if added in excess to a saturated solution of manganese hydroxide, will result in the formation of a precipitate?

(Select all that apply).

HCl

MnCl2

MgSO4

NaOH

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2

Predict whether a precipitate of calcium sulfate, CaSO4, will form when a 2.5 x 10-3 mol dm-3 solution of calcium chloride, CaCl2, is mixed with an equal volume of 7.2 x 10-3 mol dm-3 solution of sodium sulfate, Na2SO4. 

Ksp of CaSO4 = 2.0 x 10-5 mol2 dm-6

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4

The solubility product of silver carbonate, Ag2CO3, has units of mol dm.

3
-9

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2

What is expression for the solubility product, Ksp, of iron sulfide, Fe2S3?

Ksp = [Fe3+][S2-]

Ksp = [Fe2+]3[S3-]2

Ksp = [Fe3+]2[S2-]3

Ksp = [Fe2+]2[S2-]3

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1

Calculate the solubility product (ksp) of a saturated aqueous solution of calcium fluoride, CaF2, containing 2.0 x 10-3 mol dm-3 CaF2.

8.0 x 10-6 mol3 dm-9

1.6 x 10-8 mol3 dm-9

3.2 x 10-8 mol3 dm-9

8.0 x 10-9 mol3 dm-9

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Calculate the solubility, in mol dm-3, of silver chloride, AgCl.

Ksp of AgCl = 1.8 x 10-10 mol2 dm-6

9.0 x 10-11 mol dm-3

5.6 x 10-4 mol dm-3

1.3 x 10-5 mol dm-3

6.7 x 10-6 mol dm-3

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