What is the concentration of Pb 2+ ions in a solution resulting from the addition of 1.0 10 - 3 moles of Na2 CrO4 to 1.0 liter of solution containing solid PbCrO4 ( K sp = 1.8*10- 14 ) in equilibrium with its ions?
(Assume no volume change on addition of Na2 CrO4 .) PbCrO4 (s)
Pb 2+ (aq) + CrO₂ - (aq)
A) 1.8×10 - 17 M
B) 1.34×10 - 7 M
C) 1.0×10 - 3 M
D) 1.34×10 - 10 M
E) 1.8×10 - 11 M
Correct Answer:
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