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i just need work, 1. Calculate the Ksp for silver sulfite if the solubility in pure...

i just need work,

1. Calculate the Ksp for silver sulfite if the solubility in pure water is (2.2x10^-3) g/L.

Answer :6.1 * 10^-16

2. What is the molar solubility of Mg(OH)2 in a basic solution with a pH of (1.32x10^1)? Ksp for Mg(OH)2 is (1.8x10^-12)

Answer: 7.2x10^-11

3.

A (1.6x10^2) mL sample of a solution that is (3.000x10^-3) M in AgNO3 is mixed with a (2.000x10^2) mL sample of a solution that is (2.00x10^-1) M in NaCN. After the solution reaches equilibrium, what concentration of Ag+(aq) remains? Kf=1× 1021

Answer:

(1.1x10^-22)
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