Notifications
Clear all
The 0.001M solution of Mg(NO3)2 is adjusted to pH 9, Ksp of Mg(OH)2 is 8.9 × 10^-12. At this pH
Equilibrium
1
Posts
2
Users
0
Likes
381
Views
0
24/10/2021 11:33 am
Topic starter
The 0.001M solution of Mg(NO3)2 is adjusted to pH 9, Ksp of Mg(OH)2 is 8.9 × 10-12. At this pH
(a) Mg(OH)2 will be precipitated
(b) Mg(OH)2 is not precipitated
(c) Mg(OH)3 will be precipitated
(d) Mg(OH)3 is not precipitated
Answer
Add a comment
Add a comment
Topic Tags
1 Answer
0
24/10/2021 11:38 am
Correct answer: (b) Mg(OH)2 is not precipitated
Explanation:
pH = 9 ; [H+] = 10-9; [OH-] = 10-5;
[Mg2+] = 1 x 10-3;
[Mg2+][OH-]2 = 1 x 10-13
Given Ksp of Mg(OH)2 = 8.9 × 10-12
Which is more than 1 x 10-13
Hence Mg(OH)2 will not precipitated
Add a comment
Add a comment
Forum Jump:
Related Topics
-
The equilibrium constant for a reaction is K, and the reaction quotient is Q. For a particular reaction mixture, the ratio K/Q is 0.33. This means that
3 years ago
-
In the dissociation of PCl5 as PCl5(g) ⇌ PCl3(g) + Cl2(g) if the degree of dissociation is α at equilibrium pressure P, then the equilibrium constant for the reaction is
3 years ago
-
What is the unit of Kp for the reaction? CS2(g) + 4H2(g) ⇌ CH4(g) + 2H2S(g)
3 years ago
-
Solid AgNO3 is slowly added to a solution containing each of 0.01 M NaCl and 0.001 M NaBr. What will be the concentration of Cl- ions in solution when AgBr will just start to precipitate?
3 years ago
-
The dissociation constants of a weak acid HA and weak base BOH are 2 × 10^-5 and 5 × 10^-6 respectively. The equilibrium constant for the neutralisation reaction of the two is
3 years ago
Forum Information
- 321 Forums
- 27.3 K Topics
- 53.8 K Posts
- 0 Online
- 12.4 K Members
Our newest member: Stripchat
Forum Icons:
Forum contains no unread posts
Forum contains unread posts
Topic Icons:
Not Replied
Replied
Active
Hot
Sticky
Unapproved
Solved
Private
Closed