\( 6.023 \times 10^{22} \) molecules are present in \( 10 \mathrm{~g} \) of a substance X. The molarity of a solution co…

\( 6.023 \times 10^{22} \) molecules are present in \( 10 \mathrm{~g} \) of a substance X. The molarity of a solution containing \( 5 \mathrm{~g} \) of substance X in \( 2 \mathrm{~L} \) solution is ____\( \times 10^{-3} \) M

[JEE Main 2020, 3 Sep (Shift 2)]