Jika tetapan kesetimbangan basa suatu basa lemah BOH adalah 10^-5 larutan BOH 0,1 M mempunyai pH sebesar......
a. 5
b 7
c 9
d 11
e 12
bantu jawab pakai cara ya
a. 5
b 7
c 9
d 11
e 12
bantu jawab pakai cara ya
fatihahalhusna
![$\begin{align} [OH^-]&=\sqrt{K_b.M}\\&=\sqrt{10^{-5}\times0,1}\\&=10^{-3}\ M\\\\pOH&=3\\pH&=\boxed{\boxed{\bold{11}}} \end](https://tex.z-dn.net/?f=%24%5Cbegin%7Balign%7D+%5BOH%5E-%5D%26%3D%5Csqrt%7BK_b.M%7D%5C%5C%26%3D%5Csqrt%7B10%5E%7B-5%7D%5Ctimes0%2C1%7D%5C%5C%26%3D10%5E%7B-3%7D%5C+M%5C%5C%5C%5CpOH%26%3D3%5C%5CpH%26%3D%5Cboxed%7B%5Cboxed%7B%5Cbold%7B11%7D%7D%7D%0A%5Cend "$\begin{align} [OH^-]&=\sqrt{K_b.M}\\&=\sqrt{10^{-5}\times0,1}\\&=10^{-3}\ M\\\\pOH&=3\\pH&=\boxed{\boxed{\bold{11}}} \end")
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