JEE Main 2022 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 30 July 2022, Shift 2, Chemistry Q51

Question 51 of 90 in this shift, Chemistry question 21 of 30, Section B.

The density of 4 molal solution of NaOH is 1.160 g

\mathrm{mL^{-1}}

. The molarity of the solution is ________ M. (Given : Molar mass of NaOH = 40g

\mathrm{mol^{-1)}}

(nearest integer)

Official answer

NTA final key.

Chapter: Solutions
Topic: Mole Concept
Idea tested: Molarity and Molality Interconversion

Same idea in other shifts

Asked 5× in all

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6 Apr 2024, Shift 2 · Q61Molality ( $m$ ) of 3 M aqueous solution of NaCl is : (Given : Density of solution $=1.25\ \mathrm{g\,mL^{-1}}$ , Molar mass in…EasySingle correct
9 Apr 2024, Shift 1 · Q81Molarity (M) of an aqueous solution containing $x$ g of anhyd. $\mathrm{CuSO_4}$ in 500 mL solution at 32 $^\circ$ C is $2\times10^{-1}$ M.…MediumNumerical value
26 Aug 2021, Shift 1 · Q51An aqueous KCl solution of density 1.20 g mL $^{-1}$ has a molality of 3.30 mol kg $^{-1}$ . The molarity of the solution in mol L $^{-1}$ is…MediumNumerical value

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 108 of the 174 JEE Main shifts held from 2017 to 2026.