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Irrespective of the source, pure sample of water always yields 88.89% mass of oxygen and 11.11% mass of hydrogen. This is explained by the law of:

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Mole conceptBasic stoichiometry, POAC, percent yield & limiting reagentHARDJEE Chemistry
Irrespective of the source, pure sample of water always yields 88.89% mass of oxygen and 11.11% mass of hydrogen. This is explained by the law of: **Options:** - **A.** [object Object] - **B.** [object Object] - **C.** [object Object] - **D.** [object Object] --- **Difficulty:** HARD | **Chapter:** Mole concept | **Topic:** Basic stoichiometry, POAC, percent yield & limiting reagent

Official Solution

## ✅ Correct Answer: **B** ### 📖 Detailed Explanation: This question uses laws of chemical combination, stoichiometry and limiting reagent. Compare the given data with the statements of the various laws; only one law is consistent with how composition changes, so option B 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 conceptBasic stoichiometry, POAC, percent yield & limiting reagentHARDJEE Chemistry