How to calculate the PH of NaOH with 0. 1 mol per liter and the PH of HCL with 0.2 mol per liter?
PH is the negative logarithm of hydrogen ions.
0. 1mol/L sodium hydroxide solution contains 0. 1mol/L hydroxyl, and kw = c (h+) 0.1mol/l = 10 (-14), and the calculated hydrogen ion concentration is/.