please help me with these question

timer Asked: Apr 29th, 2015

Question description

he concentration of acid in juices is usually expressed in grams of acid per 100 mL of juice.What is the concentration of citric acid in pineapple juice?

choose phenolphthelein for a weak acid and strong base titration for determining the endpoint . explain your reasoning based on the evidence obtained above as well as the titration curve data

would you expect any differences in the phenolphthelein of an appropriate indicator for the tit ration of a strong acid  such as HCl? why or why not?

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