JEE Main 2022ChemistrySome Basic Concepts of ChemistryMediumNumerical

JEE Main 2022Some Basic Concepts of Chemistry Question with Solution

JEE Main 2022 (28 Jul Shift 2)

Question

2 L of 0.2MH2SO4 is reacted with 2 L of 0.1MNaOH solution, the molarity of the resulting product Na2SO4 in the solution is____millimolar.

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Show full solutionCorrect answer: 25
Correct answer
25

Step-by-step explanation

H2SO4+2NaOHNa2SO4+2H2O

0.4mole0.2mole-0.3mol-0.1mol

Molarity=Number of molesVolume in litres

Molarity of Na2SO4 is 0.14=0.025M

=25×10-3M

Molarity of the resulting product Na2SO4 in the solution is 25 millimoles 

 

 

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About this question

This is a previous-year question from JEE Main 2022, covering the Some Basic Concepts of Chemistry chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.