A concentrated buffer of pH 8.0 is added to an equal volume of an aqueous solution that is 0.080 M in each of the ions Zn2+,Ni2+,and Mn2+.The expected precipitate would consist of ________.
A) Zn(OH) 2,Ni(OH) 2 and Mn(OH) 2
B) Ni(OH) 2 and Mn(OH) 2
C) Mn(OH) 2
D) Ni(OH) 2 and Zn(OH) 2
E) Zn(OH) 2
Correct Answer:
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