Larutan CH3COOH (Ka = 1 x 10^-5) memiliki pH= 3. Derajat disosiasi larutan tersebut adalah .... %
tolong di jawab thankss...
tolong di jawab thankss...
fatihahalhusna
![pH=3~~~\rightarrow [H^+] = 10^{-3}\ M\\\\{[H^+]}=\sqrt{Ka\times M}\\10^{-3}=\sqrt{10^{-5}\times M}~~~~~~~(kuadratkan)\\10^{-6}=10^{-5}\times M\\\\M=0,1\ mol/L\\\\\alpha=\displaystyle \frac{[H^+]}{M}\times100\%\\\\~~~=\frac{10^{-3}}{0,1}\times100\%\\\\~~~=\boxed{\boxed{\bold{1\ \%}}}](https://tex.z-dn.net/?f=pH%3D3%7E%7E%7E%5Crightarrow+%5BH%5E%2B%5D+%3D+10%5E%7B-3%7D%5C+M%5C%5C%5C%5C%7B%5BH%5E%2B%5D%7D%3D%5Csqrt%7BKa%5Ctimes+M%7D%5C%5C10%5E%7B-3%7D%3D%5Csqrt%7B10%5E%7B-5%7D%5Ctimes+M%7D%7E%7E%7E%7E%7E%7E%7E%28kuadratkan%29%5C%5C10%5E%7B-6%7D%3D10%5E%7B-5%7D%5Ctimes+M%5C%5C%5C%5CM%3D0%2C1%5C+mol%2FL%5C%5C%5C%5C%5Calpha%3D%5Cdisplaystyle+%5Cfrac%7B%5BH%5E%2B%5D%7D%7BM%7D%5Ctimes100%5C%25%5C%5C%5C%5C%7E%7E%7E%3D%5Cfrac%7B10%5E%7B-3%7D%7D%7B0%2C1%7D%5Ctimes100%5C%25%5C%5C%5C%5C%7E%7E%7E%3D%5Cboxed%7B%5Cboxed%7B%5Cbold%7B1%5C+%5C%25%7D%7D%7D "pH=3~~~\rightarrow [H^+] = 10^{-3}\ M\\\\{[H^+]}=\sqrt{Ka\times M}\\10^{-3}=\sqrt{10^{-5}\times M}~~~~~~~(kuadratkan)\\10^{-6}=10^{-5}\times M\\\\M=0,1\ mol/L\\\\\alpha=\displaystyle \frac{[H^+]}{M}\times100\%\\\\~~~=\frac{10^{-3}}{0,1}\times100\%\\\\~~~=\boxed{\boxed{\bold{1\ \%}}}")
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