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Answer:
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Explanation:
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Answer:
AB = 16 Units
Explanation:
In the given figure, CD is the diameter and AB is the chord of the circle.
Since, diameter of the circle bisects the chord at right angle.
Therefore, AE = 1/2 AB
Or AB = 2AE...(1)
Let the center of the circle be given by O. Join OA.
OA = OD = 10 (Radii of same circle)
Triangle OAE is right triangle.
Now, by Pythagoras theorem:
From the calculations carried out , we can see that the molar solubility of Al(OH)3 is 8.6 x 10^-12 M
<h3>What is solubility?</h3>
The term solubility refers to the amount of substance that dissolves in a solution measured in moles per liter.
From the question we have initial [Al+3] = 0.05 M
Setting up an ICE table:
Al(OH)3(s) → Al3+ + 3OH-
I 0.05 0
C +x +3x
E 0.05+x 3x
Know that;
Ksp = [Al3+] [OH-]^3
Ksp = 1.3 x 10^-33
So;
[Al3+] = (0.05+X) and [OH-]^3 = 3X
If x = molar solubility of Al(OH)3
Then:
1.3 x 10^-33 = (0.05 + X) (3X)^3 by solving for X
x = 8.6 X 10^-12 M
Learn more about Ksp: brainly.com/question/4736767
