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Author Question: A solution is prepared from 3.5 102mL of 3.2 M Pb(NO3)2 and 2.0102 mL of 0.020 M NaCl. Given that ... (Read 50 times)

abarnes

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on: Mar 21, 2021

Question 1

A solution is prepared by adding excess PbI2(Ksp= 1.42 × 10–8) to water. What is the [I–] at equilibrium?

◦ 1.53 × 10–3 mol/L
◦ 7.10 × 10–9 mol/L
◦ 1.19 × 10–4 mol/L
◦ 8.95 × 10–26 mol/L
◦ 3.05 × 10–3 mol/L

Question 2

A solution is prepared from 3.5 × 102mL of 3.2 M Pb(NO3)2 and 2.0×102 mL of 0.020 M NaCl. Given that Ksp for lead chloride is 1.6×10-5, will precipitation occur?
Reference: Ref 16-1

​

​


◦ Yes.
◦ No.
◦ Maybe, it depends on the temperature.
◦ Maybe, it depends on the limiting reagent concentration.
◦ None of these are correct.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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Marked as best answer by abarnes on Mar 21, 2021

BAOCHAU2803

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Reply #1 on: Mar 21, 2021
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abarnes

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Reply 2 on: Mar 21, 2021
Great answer, keep it coming :)

nguyenhoanhat

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Reply 3 on: Yesterday
Wow, this really help

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