Neco 2023 Chemistry Question 49
Practice objective / multiple choice question 49 from the 2023 Neco Chemistry examination.
A 3.00 g mixture of potassium chlorate (KClO₃) and potassium nitrate (KNO₃) is heated so that the following reactions occur completely:\n\n\( \text{KClO}_3 \xrightarrow{\Delta} \text{KCl} + \frac{3}{2}\text{O}_2 \)\n\( \text{KNO}_3 \xrightarrow{\Delta} \text{KNO}_2 + \frac{1}{2}\text{O}_2 \)\n\nThe total volume of oxygen gas collected at 25 °C and 1.00 atm is 0.70 L. Determine the mass percentage of KClO₃ in the original mixture.
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About This Question
This is Neco 2023 Chemistry Question 49. It is one of the objective questions from the 2023 Neco Chemistry examination.
Difficulty level: Medium .
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