Tài liệu tham khảo
https://en.wikipedia.org/wiki/Potassium_hydroxide#:~:text=Potassium%20hydroxide%20is%20an%20inorganic,is%20commonly%20called%20caustic%20potash.&text=N.D.&text=Except%20where%20otherwise%20noted%2C%20data,F%5D%2C%20100%20kPa).&text=Along%20with%20sodium%20hydroxide%20(NaOH,is%20a%20prototypical%20strong%20base.
