Chemistry, 26.11.2019 07:31 emanuelmorales1515
The ksp for zn(oh)2 is 5.0 x 10-17. determine the molar solubility of zn(oh)2 in a buffer solution with a ph of 11.5.
a) 5.0 x 106
b) 1.2 x 10-12
c) 1.6 x 10-14
d) 5.0 x 10-12
e) 5.0 x 10-17
Answers: 1
concentration.![pH=-\log [H^+]](/tpl/images/0391/2894/37e81.png)
![11.5=-\log [H^+]](/tpl/images/0391/2894/f3755.png)
![[H^+]=3.16\times 10^{-12}M](/tpl/images/0391/2894/3012d.png)
concentration.![[H^+][OH^-]=K_w](/tpl/images/0391/2894/55f9c.png)
![3.16\times 10^{-12}\times [OH^-]=1.0\times 10^{-14}](/tpl/images/0391/2894/64b28.png)
![[OH^-]=3.16\times 10^{-3}M](/tpl/images/0391/2894/38f53.png)
.
![K_{sp}=[Zn^{2+}][OH^-]^2](/tpl/images/0391/2894/b302a.png)
![5.0\times 10^{-17}=[Zn^{2+}]\times (3.16\times 10^{-3})^2](/tpl/images/0391/2894/0b771.png)
![[Zn^{2+}]=5.0\times 10^{-12}M](/tpl/images/0391/2894/e914d.png)
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The ksp for zn(oh)2 is 5.0 x 10-17. determine the molar solubility of zn(oh)2 in a buffer solution w...
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