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Author Question: A 0.012-mol sample of Na2SO4 is added to 400 mL of each of two solutions. One solution contains 1.5 ... (Read 216 times)

crazycityslicker

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on: Mar 21, 2021

Question 1

 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, what is the ion product?
Reference: Ref 16-1

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◦ 1.1 × 10–4
◦ 1.5 × 10–2
◦ 7.8 × 10–3
◦ 8.1 × 10–4
◦ None of these are correct.

Question 2

A 0.012-mol sample of Na2SO4 is added to 400 mL of each of two solutions. One solution contains 1.5 × 10–3M BaCl2; the other contains 1.5 × 10–3M CaCl2. Given that Ksp for BaSO4 = 1.5 × 10–9 and Ksp for CaSO4 = 6.1 × 10–5:

◦ BaSO4 would precipitate but CaSO4 would not.
◦ CaSO4 would precipitate but BaSO4 would not.
◦ Both BaSO4 and CaSO4 would precipitate.
◦ Neither BaSO4 nor CaSO4 would precipitate.
◦ Not enough information is given to determine if precipitation would occur.
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Marked as best answer by crazycityslicker on Mar 21, 2021

jgranad15

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Reply #1 on: Mar 21, 2021
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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crazycityslicker

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Reply 2 on: Mar 21, 2021
Thanks for the timely response, appreciate it

Dinolord

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Reply 3 on: Yesterday
Gracias!

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