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A Concentrated Buffer of PH 8

Question 28

Multiple Choice

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 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 Zn<sup>2+</sup>,Ni<sup>2+</sup>,and Mn<sup>2+</sup>.The expected precipitate would consist of ________. A) Zn(OH) <sub>2</sub>,Ni(OH) <sub>2</sub> and Mn(OH) <sub>2 </sub> B) Ni(OH) <sub>2</sub> and Mn(OH) <sub>2 </sub> C) Mn(OH) <sub>2 </sub> D) Ni(OH) <sub>2</sub> and Zn(OH) <sub>2 </sub> E) Zn(OH) <sub>2 </sub>


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

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