Gce Model Questions Vol1 2022 Chemistry Question 16
Practice objective / multiple choice question 16 from the 2022 Gce Model Questions Vol1 Chemistry examination.
A 0.500 g sample of an unknown monoprotic carboxylic acid is dissolved in 250.0 mL of water. The initial pH of the solution is 2.85. The solution is then titrated with 0.100 M NaOH. The volume of NaOH required to raise the pH to 5.85 is 18.2 mL. Assuming activity coefficients are unity, determine the molar mass of the acid (in g mol\(^{-1}\)).
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This is Gce Model Questions Vol1 2022 Chemistry Question 16. It is one of the objective questions from the 2022 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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