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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 219 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.
Chemistry: An Atoms First Approach ¦ Zumdahl, DeCoste ¦ 3rd Edition
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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
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crazycityslicker

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Reply 2 on: Mar 21, 2021
Wow, this really help

meow1234

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Reply 3 on: Yesterday
Gracias!

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