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Question 79

Multiple Choice

A solution is 0.010 M in each of Pb(NO3) 2,Mn(NO3) 2,and Zn(NO3) 2.Solid NaOH is added until the pH of the solution is 8.50.Which of the following statements is true?

A solution is 0.010 M in each of Pb(NO<sub>3</sub>) <sub>2</sub>,Mn(NO<sub>3</sub>) <sub>2</sub>,and Zn(NO<sub>3</sub>) <sub>2</sub>.Solid NaOH is added until the pH of the solution is 8.50.Which of the following statements is true? A) No precipitate will form. B) Only Pb(OH) <sub>2</sub> will precipitate. C) Only Mn(OH) <sub>2</sub> will precipitate. D) Only Zn(OH) <sub>2</sub> and Pb(OH) <sub>2</sub> will precipitate. E) All three hydroxides will precipitate.


A) No precipitate will form.
B) Only Pb(OH) 2 will precipitate.
C) Only Mn(OH) 2 will precipitate.
D) Only Zn(OH) 2 and Pb(OH) 2 will precipitate.
E) All three hydroxides will precipitate.

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