Phenolphthalein indicator is put into a solution of 0.20 mol/L of HCl(aq). If the same volume of a 0.18 mol/L of NaOH(aq) is then added, the solution should be predicted to be
A、colorless and acidic
B、pink and acidic
C、colorless and basic
D、pink and basic
发布时间:2025-07-03 01:52:30