b) 0.2 M HI HI is a strong acid, which can completely ionized. LiOH is a base (ionized as Li+ and OH-) CH3COH is a very weak acid, which is only barely ionized. Solution b) 0.2 M HI HI is a strong acid, which can completely ionized. LiOH is a base (ionized as Li+ and OH-) CH3COH is a very weak acid, which is only barely ionized..