Weak Acids: Typically, less than 5% of the acid molecules ionize, leaving most of the acid molecules undissociated in solution. Weak Acids: Result in a higher pH compared to strong acids of the same c...Weak Acids: Typically, less than 5% of the acid molecules ionize, leaving most of the acid molecules undissociated in solution. Weak Acids: Result in a higher pH compared to strong acids of the same concentration. Weak Bases: Typically, less than 5% of the base molecules ionize, leaving most of the base molecules undissociated in solution. Weak Bases: Result in a lower pH compared to strong bases of the same concentration.