An acidic solution is 5 mM in each of the following metal ions: Cu2+, Zn2+, Pb2+, Ba2+. See the Solubility Product Constant Table Please see Separation by Precipitation 2 for assistance. (a) Which of the metals would precipitate as their hydroxides at pH = 6.00? (Select all that apply.) copper zinc O lead O barium (b) Which of the metals would precipitate as their hydroxides at pH = 8.00? copper zinc lead O barium (c) At what pH do the metal hydroxides begin to precipitate? Cu(OH)₂ 5.3 Zn(OH)₂ 49 8.67 Pb(OH)₂ 40 7.3 Ba(OH)₂ 49 13.3 x
An acidic solution is 5 mM in each of the following metal ions: Cu2+, Zn2+, Pb2+, Ba2+. See the Solubility Product Constant Table Please see Separation by Precipitation 2 for assistance. (a) Which of the metals would precipitate as their hydroxides at pH = 6.00? (Select all that apply.) copper zinc O lead O barium (b) Which of the metals would precipitate as their hydroxides at pH = 8.00? copper zinc lead O barium (c) At what pH do the metal hydroxides begin to precipitate? Cu(OH)₂ 5.3 Zn(OH)₂ 49 8.67 Pb(OH)₂ 40 7.3 Ba(OH)₂ 49 13.3 x
Chemistry
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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:An acidic solution is 5 mM in each of the following metal ions: Cu²+, Zn2+, Pb2+, Ba2+, See the Solubility Product Constant Table
Please see Separation by Precipitation 2 for assistance.
(a) Which of the metals would precipitate as their hydroxides at pH = 6.00? (Select all that apply.)
copper
zinc
lead
O barium
(b) Which of the metals would precipitate as their hydroxides at pH = 8.00?
copper
zinc
lead
O barium
(c) At what pH do the metal hydroxides begin to precipitate?
Cu(OH)₂ 45.3
Zn(OH)₂ 4 8.67
40 7.3
Pb(OH)2
Ba(OH)₂ 40 13.3 X
x
>
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