Problem: Calculate the mass of benzoic acid (molar mass = 122.12 g/mol) sample titrated if 29.11 mL of a standardized 0.5130 mol/L NaOH solution was required to reach the equivalence point of the titration. Benzoic acid is a monoprotic acid.a. 0.01493 gb. 0.2384 gc. 0.9118 gd. 1.824 ge. 3.647 g

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FREE Expert Solution

We’re being asked to calculate the mass of benzoic acid if 29.11 mL of 0.5130 mol/L NaOH was required to reach the equivalence point


Recall that at the equivalence point of a titration:



Since benzoic acid is a monoprotic acid, there will be just one equivalence point for the titration. This means:



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Problem Details

Calculate the mass of benzoic acid (molar mass = 122.12 g/mol) sample titrated if 29.11 mL of a standardized 0.5130 mol/L NaOH solution was required to reach the equivalence point of the titration. Benzoic acid is a monoprotic acid.

a. 0.01493 g

b. 0.2384 g

c. 0.9118 g

d. 1.824 g

e. 3.647 g

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