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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 160 times)

crazycityslicker

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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


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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crazycityslicker

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Reply 2 on: Mar 21, 2021
YES! Correct, THANKS for helping me on my review


phuda

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Reply 3 on: Yesterday
Excellent

 

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