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Friday, 9 October

JEE Main 2024 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 9 April 2024, Shift 1, Chemistry Q81

Question 81 of 90 in this shift, Chemistry question 21 of 30, Section B.

Molarity (M) of an aqueous solution containing xx g of anhyd. CuSO4\mathrm{CuSO_4} in 500 mL solution at 32 ∘^\circC is 2×10−12\times10^{-1} M. Its molality will be ________ ×10−3\times 10^{-3} m. (nearest integer). [Given density of the solution = 1.25 g/mL]

Official answer

164

NTA final key.

Chapter
Solutions
Topic
Mole Concept
Idea tested
Molarity and Molality Interconversion

Same idea in other shifts

Asked 2× in all
  1. 6 Apr 2024, Shift 2 · Q61Molality (mm) of 3 M aqueous solution of NaCl is : (Given : Density of solution =1.25 g mL−1=1.25\ \mathrm{g\,mL^{-1}}, Molar mass in…EasySingle correct

Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 42 of the 174 JEE Main shifts held from 2017 to 2026.