Show work on how you got the 1a and 1b question please 1a.) In a saturated solution of Pb(OH)2, the concentration of lea

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Show work on how you got the 1a and 1b question please
1a.) In a saturated solution of Pb(OH)2, the concentration of
lead ions is 4.2 x 10-6 M and the concentration of hydroxide ions
is 8.3 x 10-6 M. What is the predicted value of Ksp for
Pb(OH)2?
a) 2.9 x 10-16
b) 5.8 x 10-16
c) 1.5 x 10-16
d) 3.5 x 10-13
1b.) Which of the following statements is CORRECT? EXPLAIN
a) Ag2CO3 (Ksp = 8.1 x 10-12) is considered soluble in
water.
b) Ag2CO3 is more soluble in Na2CO3 solution than in water.
c) Ag2CO3 is less in aqueous HCl than in water.
d) None of these.