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Potassium combines with two isotopes of chlorine (35Cl and 37Cl) respectively to form two samples of KCl. Their formation follows the law of:

December 7, 2025
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Mole conceptLaw of chemical combination, atomic & molecular mass, mole concept, calculationsEASYJEE Chemistry
Potassium combines with two isotopes of chlorine (35Cl and 37Cl) respectively to form two samples of KCl. Their formation follows the law of: **Options:** - **A.** [object Object] - **B.** [object Object] - **C.** [object Object] - **D.** [object Object] --- **Difficulty:** EASY | **Chapter:** Mole concept | **Topic:** Law of chemical combination, atomic & molecular mass, mole concept, calculations

Official Solution

## ✅ Correct Answer: **D** ### 📖 Detailed Explanation: This question uses laws of chemical combination, atomic structure & atomic mass. Compare the given data with the statements of the various laws; only one law is consistent with how composition changes, so option D is correct. --- *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 conceptLaw of chemical combination, atomic & molecular mass, mole concept, calculationsEASYJEE Chemistry