Homework Answers
I am sorry but according to guidelines i am bound to answer one question at a time. Please dont rate me negative for that.
Answer to 8th question.
Precipitation begins just when the reaction quotient exceeds the value of solubility product.
We can say when Q = Ks .
So
Ag2SO4 ---> 2Ag+ + SO4-2
Q = [Ag+]2 × [ SO4-2]
1.6 × 10-5 = [Ag+]2 × ( 0.053M)
[Ag+]2 = 3.01 × 10-4
[Ag+] = 1.73 × 10-2 M.
Hence option C is the correct answer.
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ksp
for Ag2SO4=1.6*10^-5
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