29.) 100Ml CH3COOH 0,5M di tambah 100 Ml NaOH 0,5M, Jika Ka CH3COOH= 10⁻⁶, pH campuran tsb adalah...
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![mmol\ CH_3COOH=mmol\ NaOH=100\times0,5=50\ mmol\\\text{Jadi terbentuk garam yang mengalami hidrolisis}\\\\{[G]}\displaystyle =\frac{50}{200}=25\times10^{-2}\ M\\\\{[OH^-]}=\sqrt{\frac{K_w[G]}{K_a}}=\sqrt{\frac{10^{-14}\times25\times10^{-2}}{10^{-6}}}=5\times10^{-5}\ M\\\\pOH=5-\log5\\\\\boxed{\boxed{\bold{pH=9+\log5}}}](https://tex.z-dn.net/?f=mmol%5C+CH_3COOH%3Dmmol%5C+NaOH%3D100%5Ctimes0%2C5%3D50%5C+mmol%5C%5C%5Ctext%7BJadi+terbentuk+garam+yang+mengalami+hidrolisis%7D%5C%5C%5C%5C%7B%5BG%5D%7D%5Cdisplaystyle+%3D%5Cfrac%7B50%7D%7B200%7D%3D25%5Ctimes10%5E%7B-2%7D%5C+M%5C%5C%5C%5C%7B%5BOH%5E-%5D%7D%3D%5Csqrt%7B%5Cfrac%7BK_w%5BG%5D%7D%7BK_a%7D%7D%3D%5Csqrt%7B%5Cfrac%7B10%5E%7B-14%7D%5Ctimes25%5Ctimes10%5E%7B-2%7D%7D%7B10%5E%7B-6%7D%7D%7D%3D5%5Ctimes10%5E%7B-5%7D%5C+M%5C%5C%5C%5CpOH%3D5-%5Clog5%5C%5C%5C%5C%5Cboxed%7B%5Cboxed%7B%5Cbold%7BpH%3D9%2B%5Clog5%7D%7D%7D "mmol\ CH_3COOH=mmol\ NaOH=100\times0,5=50\ mmol\\\text{Jadi terbentuk garam yang mengalami hidrolisis}\\\\{[G]}\displaystyle =\frac{50}{200}=25\times10^{-2}\ M\\\\{[OH^-]}=\sqrt{\frac{K_w[G]}{K_a}}=\sqrt{\frac{10^{-14}\times25\times10^{-2}}{10^{-6}}}=5\times10^{-5}\ M\\\\pOH=5-\log5\\\\\boxed{\boxed{\bold{pH=9+\log5}}}")
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