Hitung pH larutan NaF 0,08 M
Dik : KaHF=2 x 10 pangkat -4
Dik : KaHF=2 x 10 pangkat -4
fatihahalhusna
![\displaystyle [OH^-]=\sqrt{\frac{K_w[G]}{K_a}}=\sqrt{\frac{10^{-14}\times0,08}{2\times10^{-4}}}=2\times10^{-6}\ M\\\\pOH=6-\log2\\\\\boxed{\boxed{\bold{pH=8+\log 2}}}](https://tex.z-dn.net/?f=%5Cdisplaystyle+%5BOH%5E-%5D%3D%5Csqrt%7B%5Cfrac%7BK_w%5BG%5D%7D%7BK_a%7D%7D%3D%5Csqrt%7B%5Cfrac%7B10%5E%7B-14%7D%5Ctimes0%2C08%7D%7B2%5Ctimes10%5E%7B-4%7D%7D%7D%3D2%5Ctimes10%5E%7B-6%7D%5C+M%5C%5C%5C%5CpOH%3D6-%5Clog2%5C%5C%5C%5C%5Cboxed%7B%5Cboxed%7B%5Cbold%7BpH%3D8%2B%5Clog+2%7D%7D%7D "\displaystyle [OH^-]=\sqrt{\frac{K_w[G]}{K_a}}=\sqrt{\frac{10^{-14}\times0,08}{2\times10^{-4}}}=2\times10^{-6}\ M\\\\pOH=6-\log2\\\\\boxed{\boxed{\bold{pH=8+\log 2}}}")
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garenkmarshall
thanks,,tungga soal MTK..
fatihahalhusna
sama2 ok mudah2 bisa dibantu
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