Chemistry, 17.11.2019 19:31 clonetrooper099
The ksp for cobalt (ii) phosphate (mm = 366.73 g/mol) is 2.05 * 10-35. what is the solubility of this salt (ng/l) in a 0.029 m sodium phosphate solution?
Answers: 1
![K_{sp} = [\text{Co}^{2+}]^{3}[\text{PO}_{4}^{3-}]^{2}= 2.05\times10^{-35}\\\\(3s)^{3}\times (0.029 + 2s)^{2} = 2.05\times10^{-35}](/tpl/images/0378/5808/863df.png)
![27s^{3}\times (0.029)^{2} = 2.05\times10^{-35}\\\\2.27 \times 10^{-2}s^{3} = 2.05\times10^{-35}\\\\s^{3}= 9.028\times10^{-34}\\\\s = \sqrt[3]{9.028\times10^{-34}}= 9.665\times10^{-12}](/tpl/images/0378/5808/25874.png)
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The ksp for cobalt (ii) phosphate (mm = 366.73 g/mol) is 2.05 * 10-35. what is the solubility of thi...
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