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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 48 times)

abarnes

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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.


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Marked as best answer by abarnes on Mar 21, 2021

BAOCHAU2803

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abarnes

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Reply 2 on: Mar 21, 2021
Gracias!


debra928

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Reply 3 on: Yesterday
Great answer, keep it coming :)

 

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