JEE Mains 30-Jan-2023 Shift 1 Solved Paper

Section: Chemistry
© examsiri.com
Question : 60 of 90
 
Marks: +1, -0
Some amount of dichloromethane (CH2Cl2) is added to 671.141‌mL of chloroform (CHCl3) to prepare 2.6×10−3M solution of CH2Cl2(DCM). The concentration of DCM is ppm _______ (by mass).
Given: Atomic mass: C=12;H:1;Cl=35.5 density of CHCl3=1.49gcm−3
[30-Jan-2023 Shift 1]
  • Your Answer:
Go to Question: