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 ОН co,2- s2- Cu2+ 4.8x10-20 2.3x10-10 бх10-37 Ni2+ 6.0x10-16 1.3x10-7 Зx10-20 Zn2+ 3.0x10-16 1.0x10-10 2x10-25 raise the pH to about 12

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Chapter1: Chemical Foundations
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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
OH
co,?-
s2-
Cu2+
4.8x10-20
2.3x10-10
бх10-37
Ni2+
6.0x10-16
1.3x10-7
Зx10-20
Zn2+
3.0x10-16
1.0x10-10
2x10-25
raise the pH to about 12
bubble CO2 into the solution
lower the pH
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 OH co,?- s2- Cu2+ 4.8x10-20 2.3x10-10 бх10-37 Ni2+ 6.0x10-16 1.3x10-7 Зx10-20 Zn2+ 3.0x10-16 1.0x10-10 2x10-25 raise the pH to about 12 bubble CO2 into the solution lower the pH about 2 increase the sulfide level
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