saging Reset The flask shown here contains 0,556 g of acid and a few drops of ph

Question

saging Reset The flask shown here contains 0,556 g of acid and a few drops of phenolphthalein indicator contains 0.190 M NaOH water. The buret 10 15 20 25 30 35 -35 -40- -45 What volume of base is needed to reach the end point of the titration? Number mL base Assuming the acid is monoprotic, what is its molar mass? Add base to the solution until it just tuns pink. You may need to reset the titration it you go past the end point g/mol Tools OPrevou, () Give Up & View Suon 9Check Answer Next ExM

Explanation / Answer

A) volume of base at endpoint= 40ml

b) malar mass of acid = Iam assuming monoprotic acid used for titration is hydrochloric acid

molar mass of HCl is 36.46 g/mol

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