JEE Main 2023 — Some Basic Concepts Of Chemistry Question with Solution
From: JEE Main 2023 (Online) 30th January Morning Shift
Question
Some amount of dichloromethane is added to of chloroform to prepare solution of . The concentration of is ___________ ppm (by mass).
Given :
atomic mass : C = 12
H = 1
Cl = 35.5
density of
Enter your answer
Show full solutionCorrect answer: 148.32
Step-by-step explanation
Mass of gm
moles of
mass of gm
Composition of
= 148.32 ppm
148
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This is a previous-year question from JEE Main 2023, 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.