Neco Model Questions Vol1 2020 Chemistry Question 22
Practice objective / multiple choice question 22 from the 2020 Neco Model Questions Vol1 Chemistry examination.
A 10.0 g mixture of potassium chlorate \(\mathrm{KClO_{3}}\) and potassium nitrate \(\mathrm{KNO_{3}}\) is heated in a closed vessel. Only the chlorate decomposes according to \(\mathrm{KClO_{3} \rightarrow KCl + \tfrac{3}{2} O_{2}}\). The volume of oxygen collected at 298 K and 1 atm is 2.0 L. Determine the mass percent of \(\mathrm{KClO_{3}}\) in the original mixture.
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About This Question
This is Neco Model Questions Vol1 2020 Chemistry Question 22. It is one of the objective questions from the 2020 Neco Model Questions Vol1 Chemistry examination.
Difficulty level: Medium .
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