JEE Mains 30-Jan-2023 Shift 1 Solved Paper
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Question : 60 of 90
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Some amount of dichloromethane ( CH 2 Cl 2 ) is added to 671.141 mL of chloroform ( CHCl 3 ) to prepare 2.6 × 10 − 3 M solution of CH 2 Cl 2 ( DCM ) . The concentration of DCM is ppm _______ (by mass).
Given: Atomic mass:C = 12 ; H : 1 ; Cl = 35.5 density of CHCl 3 = 1.49 g cm − 3
Given: Atomic mass:
[30-Jan-2023 Shift 1]
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