A solution is 1.5x102 M in both CrO and SO To this solution, 0.55 M Pb(NO₂)2 (aq) is slowly added. Part A Which anion will precipitate first from solution? . Cro O so Correct Part B Previous Answers What is Pb at the point at which the second anion begins to precipitate? answer using two significant figures. Express your 1971, ΑΣΦ Pb 1.69 10-6 Submit Previous Answers Bequest Answer ? M Constants Periodic Table

Chemistry: Principles and Reactions
8th Edition
ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter15: Complex Ion And Precipitation Equilibria
Section: Chapter Questions
Problem 76QAP
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A solution is 1.5x102 M in both Cro and
SO To this solution, 0.55 M Pb(NO₂)2 (aq) is
slowly added.
Part A
Which anion will precipitate first from solution?
Cro
So
Previous Answers
✓ Correct
Part B
What is Pb² at the point at which the second anion begins to precipitate?
Express your answer using two significant figures.
10 ΑΣΦΑ
Pb-1.6910-6
Submit Previous Answers Request Answer
X Incorrect; Try Again; 2 attempts remaining
?
M
Constants Periodic Table
Transcribed Image Text:A solution is 1.5x102 M in both Cro and SO To this solution, 0.55 M Pb(NO₂)2 (aq) is slowly added. Part A Which anion will precipitate first from solution? Cro So Previous Answers ✓ Correct Part B What is Pb² at the point at which the second anion begins to precipitate? Express your answer using two significant figures. 10 ΑΣΦΑ Pb-1.6910-6 Submit Previous Answers Request Answer X Incorrect; Try Again; 2 attempts remaining ? M Constants Periodic Table
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