A solution is prepared by adding … of "…" to 1 mole of water. Mass percent of "…" in the solution is :

Option B. First, we need to calculate the mass of 1 mole of water (H₂O). The molecular weight of water is 18 g/mol, so 1 mole of water weighs 18 g.

Some Basic Concepts of Chemistry

JEE Main 2023 · 11 Apr, Evening shift · Q2047

ChemistryMedium88×since 2002Q2047

A solution is prepared by adding

2 \mathrm{~g}

of "

\mathrm{X}

" to 1 mole of water. Mass percent of "

\mathrm{X}

" in the solution is :