Some amount of dichloromethane (CH₂ Cl₂) is added to 671.141 ~mL of chloroform (CHCl₃) to prepare 2.6 × 10⁻³ M solution of CH₂ Cl₂(DCM). The concentration of DCM is _ _ _ _ _ p pm (by mass). Given: atomic mass: C = 12 H = 1 Cl = 35.5 density of CHCl₃=1.49 ~g ~cm⁻³

Some Basic Concepts in Chemistry: JEE Main 2023 Chemistry question

JEE Main 2023 · 30 Jan, Morning shift · Q21

JEE Main 202330 Jan, Morning shiftChemistryHardSome Basic Concepts in Chemistry88× since 2002

Some amount of dichloromethane

\left(\mathrm{CH}_{2} \mathrm{Cl}_{2}\right)

is added to

671.141 \mathrm{~mL}

of chloroform

\left(\mathrm{CHCl}_{3}\right)

to prepare

2.6 \times 10^{-3} \mathrm{M}

solution of

\mathrm{CH}_{2} \mathrm{Cl}_{2}(\mathrm{DCM})

. The concentration of

\mathrm{DCM}

is ___________ ppm (by mass). Given : atomic mass : C = 12 H = 1 Cl = 35.5 density of

\mathrm{CHCl}_{3}=1.49 \mathrm{~g} \mathrm{~cm}^{-3}

Your answerType your answer. Integers and decimals are accepted.

JEE Main 2023 Some Basic Concepts in Chemistry Question with Answer (30 Jan Morning shift, Q21) | JEE Arc