JEE Main 2021ChemistrySome Basic Concepts Of ChemistryConcentration TermsmediumNumerical

JEE Main 2021Some Basic Concepts Of Chemistry Question with Solution

From: JEE Main 2021 (Online) 17th March Morning Shift

Question

The mole fraction of a solute in a 100 molal aqueous solution is ___________ 102. (Round off to the Nearest Integer).

[Given : Atomic masses : H : 1.0 u, O : 16.0 u ]

Enter your answer

Show full solutionCorrect answer: 64
Correct answer
64

Step-by-step explanation

Let weight of H2O = 1000 g

Moles of solute = 100

(mole)H2O =

Mole fraction of solute =



Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Some Basic Concepts Of Chemistry chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2021, 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.