Density of methanol solution is . Molality of the solution is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question

💡 Solution & Explanation

$\text{Mass of 1L solution} = 976\text{ g}$. $\text{Mass of solute (MeOH, MW=32)} = 2.03 \times 32 = 64.96\text{ g}$. <br>$\text{Mass of solvent} = 976 - 64.96 = 911.04\text{ g} = 0.911\text{ kg}$. <br>$\text{Molality} = 2.03 / 0.911 \approx 2.22\text{ m}$. Closest is 2.13 m.