Question

For each of the salts on the left, match the salts on the right that can be compared directly, 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. cobalt(II) sulfide 2. iron(III) hydroxide A. Ag3PO4 B. Co(OH)2 C. PbSO4 D. ZnS Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water. cobalt(II) sulfide iron(III) hydroxide Ksp = Ksp = 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 compared directly, 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. cobalt(II) sulfide
2. iron(III) hydroxide

A. Ag3PO4
B. Co(OH)2
C. PbSO4
D. ZnS

Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water.
cobalt(II) sulfide iron(III) hydroxide
Ksp =
Ksp =

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

Show more…

For each of the salts on the left, match the salts on the right that can be compared directly, 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. cobalt(II) sulfide
2. iron(III) hydroxide

A. Ag3PO4
B. Co(OH)2
C. PbSO4
D. ZnS

Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water.
cobalt(II) sulfide iron(III) hydroxide
Ksp =
Ksp =

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

Added by Mathew W.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Supreeta N

04/11/2023

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First, we need to write the balanced chemical equations for the dissolution of each salt in water: Show more…

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For each of the salts on the left, match the salts on the right that can be compared directly, 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. cobalt(II) sulfide 2. iron(III) hydroxide A. Ag3PO4 B. Co(OH)2 C. PbSO4 D. ZnS Write the expression for K in terms of the solubility, s, for each salt, when dissolved in water. cobalt(II) sulfide: Ksp = iron(III) hydroxide: Ksp = Note: Multiply out any number and put it first in the Ksp expression. Combine all exponents for s.

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Transcript

00:01 Hello students, hope you are doing great.

00:04 In this question we are asked to find out the solubility products of cobalt 2 sulfide and iron 3 back hydroxide.

00:10 We have to find out the solubility products of this given molecules and then compare it with the solubility products of the other given compounds.

00:20 So solubility product of cobalt 2 sulfide can be written as here we have cobalt sulfide which gives cobalt 2 plus iron plus s minus 2 iron.

00:35 Let us consider that the solubility be s for both the ions.

00:39 So the ksp is equals to concentration of co 2 plus iron into concentration of s minus 2 iron.

00:49 So that is equals to s into s.

00:52 So ksp that is the solubility product of cobalt sulfide is equals to s square.

00:57 Next the solubility product of iron 3 hydroxide can be written as here we have fe oh 3 which forms fe plus 3 iron plus 3 oh minus iron.

01:19 The ksp can be written as s into s raised to the power 3 as the stoichiometric coefficient for oh minus is 3 here.

01:32 Therefore ksp is equals to s raised to the power 4.

01:35 Let this be number 2 and solubility product of cobalt sulfide be the number 1.

01:43 The next compound that we are given are ag 3 po 4 which can be written as 3 ag plus plus po 4 3 minus.

01:58 So the ksp for this can be written as s raised to the power 3 as the stoichiometric coefficient here is 3 into s.

02:06 So ksp is equals to s raised to the power 4 for ag 3 po 4...

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