Ksp OH" Cu2+ 4.8x10-20 2.3 Ni2+ 6.0x10-16 1.3 Zn2+ 3.0x10 16 1.0 O raise the pH to about 12 O bubble CO2 into the solution O lower the pH to about 2 O increase the sulfide level

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter13: The Chemistry Of Solutes And Solutions
Section: Chapter Questions
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A solution is contaminated with traces of copper, nickel, and zinc. Which option would be the safest way to make it safer for human consumption?
Ksp
co,2-
OH
s2-
Cu2+
4.8x10-20
2.3x10-10
бх10-37
Ni2+
6.0x10-16
1.3x10-7
3х10-20
Zn2+
3.0x10-16
1.0x10-10
2x10-25
raise the pH to about 12
bubble CO, into the solution
lower the pH to about 2
increase the sulfide level
Transcribed Image Text:A solution is contaminated with traces of copper, nickel, and zinc. Which option would be the safest way to make it safer for human consumption? Ksp co,2- OH s2- Cu2+ 4.8x10-20 2.3x10-10 бх10-37 Ni2+ 6.0x10-16 1.3x10-7 3х10-20 Zn2+ 3.0x10-16 1.0x10-10 2x10-25 raise the pH to about 12 bubble CO, into the solution lower the pH to about 2 increase the sulfide level
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