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A 10 g sample of , gave on complete decomposition , 2.24 L of oxygen at NTP. What is the percentage purity of the sample of potassium chlorate?

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Mole conceptSTP/NTP & percent calculations, empirical formula, minimum molecular mass, vapour densityHARDJEE Chemistry
A 10 g sample of , gave on complete decomposition , 2.24 L of oxygen at NTP. What is the percentage purity of the sample of potassium chlorate? **Options:** - **A.** [object Object] - **B.** [object Object] - **C.** [object Object] - **D.** [object Object] --- **Difficulty:** HARD | **Chapter:** Mole concept | **Topic:** STP/NTP & percent calculations, empirical formula, minimum molecular mass, vapour density

Official Solution

## ✅ Correct Answer: **B** ### 📖 Detailed Explanation: This question uses gaseous state & mole concept. Relate mass, moles and number of particles using the mole concept and basic stoichiometry; doing the algebra gives the value listed in option B. --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*

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Mole conceptSTP/NTP & percent calculations, empirical formula, minimum molecular mass, vapour densityHARDJEE Chemistry