The density of is . The molality is: — Mole Concept and Some Basic Concepts of Chemistry Chemistry Question
Question
The density of $2 \text{ M } CH_3COOH$ is $1.02 \text{ g/mL}$. The molality is:
Answer: B
💡 Solution & Explanation
$\text{Mass 1 L} = 1020 \text{ g}$. $\text{Solute} = 2 \times 60 = 120 \text{ g}$. <br>$\text{Solvent} = 900 \text{ g} = 0.9 \text{ kg}$. <br>$\text{Molality} = 2 / 0.9 = 2.22 \text{ m}$.
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