Sebanyak 200 ml larutan NH4OH 0,01 M dicampurkan dengan 50 ml larutan HCl 0,02 M. Kb NH4OH= 10^-5 pH larutan campuran adalah.......
a 2 - log 2
b 2
c 5 -log 2
d 9
e 9-log 2
bantu pakai caranya yaaaa
a 2 - log 2
b 2
c 5 -log 2
d 9
e 9-log 2
bantu pakai caranya yaaaa
fatihahalhusna
![~~~~~~NH_4OH+HCl\rightarrow NH_4Cl+H_2O\\A:~~2\ mmol ~~~1\ mmol~~~~~~-~~~~~~~-\\R:~~1\ mmol ~~~1\ mmol~~~1\ mmol~~~~~~\\R:~~1\ mmol ~~~~~~-~~~~~~1\ mmol~~~~~~\\\\{[OH^-]}\displaystyle =Kb\times\frac{mmol\ NH_4OH}{mmol\ NH_4Cl}=10^{-5}\times\frac{1}{1}=10^{-5}\ M\\\\pOH=5\\\\\boxed{\boxed{\bold{pH=9}}}](https://tex.z-dn.net/?f=%7E%7E%7E%7E%7E%7ENH_4OH%2BHCl%5Crightarrow+NH_4Cl%2BH_2O%5C%5CA%3A%7E%7E2%5C+mmol+%7E%7E%7E1%5C+mmol%7E%7E%7E%7E%7E%7E-%7E%7E%7E%7E%7E%7E%7E-%5C%5CR%3A%7E%7E1%5C+mmol+%7E%7E%7E1%5C+mmol%7E%7E%7E1%5C+mmol%7E%7E%7E%7E%7E%7E%5C%5CR%3A%7E%7E1%5C+mmol+%7E%7E%7E%7E%7E%7E-%7E%7E%7E%7E%7E%7E1%5C+mmol%7E%7E%7E%7E%7E%7E%5C%5C%5C%5C%7B%5BOH%5E-%5D%7D%5Cdisplaystyle+%3DKb%5Ctimes%5Cfrac%7Bmmol%5C+NH_4OH%7D%7Bmmol%5C+NH_4Cl%7D%3D10%5E%7B-5%7D%5Ctimes%5Cfrac%7B1%7D%7B1%7D%3D10%5E%7B-5%7D%5C+M%5C%5C%5C%5CpOH%3D5%5C%5C%5C%5C%5Cboxed%7B%5Cboxed%7B%5Cbold%7BpH%3D9%7D%7D%7D "~~~~~~NH_4OH+HCl\rightarrow NH_4Cl+H_2O\\A:~~2\ mmol ~~~1\ mmol~~~~~~-~~~~~~~-\\R:~~1\ mmol ~~~1\ mmol~~~1\ mmol~~~~~~\\R:~~1\ mmol ~~~~~~-~~~~~~1\ mmol~~~~~~\\\\{[OH^-]}\displaystyle =Kb\times\frac{mmol\ NH_4OH}{mmol\ NH_4Cl}=10^{-5}\times\frac{1}{1}=10^{-5}\ M\\\\pOH=5\\\\\boxed{\boxed{\bold{pH=9}}}")
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