Asolution 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? salt ksp pb(oh)2 1.4 × 10–20 mn(oh)2 2.0 × 10–13 zn(oh)2 2.1 × 10–16 a. all three hydroxides will precipitate. b. no precipitate will form. c. only pb(oh)2 will precipitate. d. only mn(oh)2 will precipitate. e. only zn(oh)2 and pb(oh)2 will precipitate.
Answers: 2
![K_{sp}=[M^{2+}][OH^{-}]^{2}](/tpl/images/0183/5838/c78d3.png)
![[M^{2+}]](/tpl/images/0183/5838/437cc.png)
and ![[OH^{-}]^{2}](/tpl/images/0183/5838/53c7a.png)
exceeds 
values of given hydroxides then hydroxides of given metal ions will precipitate.![-log[OH^{-}]](/tpl/images/0183/5838/04732.png)
= 5.50![[OH^{-}]](/tpl/images/0183/5838/e46dd.png)
= 
) are 0.010 M![[M^{2+}][OH^{-}]^{2}=0.010\times (3.16\times 10^{-6})^{2}=3.16\times 10^{-8}](/tpl/images/0183/5838/d1788.png)
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Asolution is 0.010 m in each of pb(no3)2, mn(no3)2, and zn(no3)2. solid naoh is added until the ph o...
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