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11 Dec 2019

An impure sample of benzoic acid (HC7H5O2) is titrated with 0.1278M NaOH. A 0.5038 gram sample requires 23.81mL of sodium hydroxide to reach the endpoint. What is the percent by mass of benzoic acid in the sample?

HC7H5O2(aq) + NaOH(aq) = NaC7H5O2 + H2O (l)

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Reid Wolff
Reid WolffLv2
13 Dec 2019

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Related questions

What is the pH at the equivalence point when when 40.0 mL of 0.183 mol/L HC7H5O2(aq) is titrated with 0.131 mol/L NaOH(aq)? Assume the temperature is 25oC. (For HC7H5O2, pKa=4.21 at 25oC).Give your answer accurate to two decimal places

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