Neco 2018 Chemistry Question 27
Practice objective / multiple choice question 27 from the 2018 Neco Chemistry examination.
Solid NaCl (5.85\,g) is reacted with excess concentrated H\(_2\)SO\(_4\) in a closed system to generate hydrogen chloride gas, which is collected over water using the apparatus shown. The gas volume reading is 2100\,mL at 298\,K, atmospheric pressure 760\,mmHg, and water vapour pressure 23.8\,mmHg.\n\n(a) Calculate the theoretical volume of dry HCl gas (in mL) that should be collected at the given temperature and pressure.\n\n(b) Determine the percent yield of HCl based on the measured volume.
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About This Question
This is Neco 2018 Chemistry Question 27. It is one of the objective questions from the 2018 Neco Chemistry examination.
Difficulty level: Medium .
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