Berapa pH CH3COOH 15 ml 0,1M dan 10 ml 0,1M CH3COONa?
Risep
Ka = 10⁻⁵
![[H^+]=Ka. \frac{[asam~lemah]}{[garam]} \\ \\ =10^{-5}. \frac{0,1}{0,1} \\ \\ = 10^{-5} \\ \\ \\ pH=-log [H^+] \\ \\ =-log10^{-5} \\ \\ =5](https://tex.z-dn.net/?f=%5BH%5E%2B%5D%3DKa.+%5Cfrac%7B%5Basam%7Elemah%5D%7D%7B%5Bgaram%5D%7D+%5C%5C++%5C%5C+%3D10%5E%7B-5%7D.+%5Cfrac%7B0%2C1%7D%7B0%2C1%7D+%5C%5C++%5C%5C+%3D+10%5E%7B-5%7D+%5C%5C++%5C%5C++%5C%5C+pH%3D-log++%5BH%5E%2B%5D+%5C%5C++%5C%5C+%3D-log10%5E%7B-5%7D+%5C%5C++%5C%5C+%3D5 "[H^+]=Ka. \frac{[asam~lemah]}{[garam]} \\ \\ =10^{-5}. \frac{0,1}{0,1} \\ \\ = 10^{-5} \\ \\ \\ pH=-log [H^+] \\ \\ =-log10^{-5} \\ \\ =5")
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