If a substance '…' dissolves in solution of a mixture of '…' and '…' with their respective number of moles as … and …. Mole fraction of … in the solution is

Some Basic Concepts of Chemistry

JEE Main 2024 · 30 Jan, Evening shift · Q2051

ChemistryEasy88×since 2002Q2051

If a substance '

A

' dissolves in solution of a mixture of '

B

' and '

C

' with their respective number of moles as

\mathrm{n}_{\mathrm{A}}, \mathrm{n}_{\mathrm{B}}

and

\mathrm{n}_{\mathrm{C}_3}

. Mole fraction of

\mathrm{C}

in the solution is