Home/Forum/Question

What volume of a 1.36 M HCl solution should be added to a 200 mL 2.4 M HCl solution and finally diluted to 500 mL so that molarity of final HCl soluti...

December 7, 2025
Posted by Chem Mantra
Solved
Mole conceptBasic stoichiometry, POAC, percent yield & limiting reagentHARDJEE Chemistry
What volume of a 1.36 M HCl solution should be added to a 200 mL 2.4 M HCl solution and finally diluted to 500 mL so that molarity of final HCl solution becomes 1.24 M. **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 concentration terms, gaseous state & mole concept, volumetric analysis & stoichiometry. Write the definition formula for the concentration term, substitute the given values, and solve for the unknown; the numerical value obtained corresponds to option B. --- *This is an official solution provided by Chem Mantra. For more chemistry questions and solutions, explore our [question bank](/courses).*

Solution verified by Chem Mantra faculty

Want More Practice Questions?

Access thousands of JEE Chemistry questions with detailed solutions

Explore CoursesBrowse More Questions

Related Topics

Mole conceptBasic stoichiometry, POAC, percent yield & limiting reagentHARDJEE Chemistry