JEE Main 2023 · ChemistryNumerical answerNumerical valueMediumCalculation

JEE Main 10 April 2023, Shift 2, Chemistry Q84

Question 84 of 90 in this shift, Chemistry question 24 of 30, Section B.

An aqueous solution of volume 300

\mathrm{cm^3}

contains 0.63 g of protein. The osmotic pressure of the solution at 300 K is 1.29 mbar. The molar mass of the protein is ____________ g

\mathrm{mol^{-1}}

Given: R = 0.083 L bar

\mathrm{K^{-1}}

\mathrm{mol^{-1}}

Official answer

40535

NTA final key.

Chapter: Solutions
Topic: Colligative Properties
Idea tested: Osmotic Pressure

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Asked 7× in all

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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.