Neco 2022 Chemistry Question 41
Practice objective / multiple choice question 41 from the 2022 Neco Chemistry examination.
A 25.00 mL sample of an unknown \(\mathrm{H_2SO_4}\) solution is diluted to 250.00 mL. From this diluted solution, 20.00 mL is titrated with 0.1000 M \(\mathrm{NaOH}\) and requires 18.45 mL of the base to reach the endpoint. The original acid solution also contains 0.00200 mol of a weak base that reacts with \(\mathrm{H_2SO_4}\) in a 1:1 mole ratio, reducing the amount of acid available for titration. Calculate the original concentration of \(\mathrm{H_2SO_4}\) in mol\,L\(^{-1}\).
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About This Question
This is Neco 2022 Chemistry Question 41. It is one of the objective questions from the 2022 Neco Chemistry examination.
Difficulty level: Hard .
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