1) Which of the following factors affect the freezing-point depression of a solution? Select all that apply. A. Molality of the solution B. Molarity of the solution C. van't Hoff factor of the solute D. Freezing-point of the solvent E. Freezing-point of the solute F. van't Hoff factor of the solvent G. Molal freezing-point depression constant
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Step 1: Identify the factors that affect the freezing-point depression of a solution based on the Explanation: - Molality of the solution (A) - Van't Hoff factor of the solute (C) - Molal freezing point depression constant (G) Show more…
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Which of the following factors affect the freezing-point depression of a solution? Select all that apply. A. Freezing-point of the solvent B. Molal freezing-point depression constant C. Molarity of the solution D. Molality of the solution E. Freezing-point of the solute F. van't Hoff factor of the solvent G. van't Hoff factor of the solute
Jennifer H.
Calculate the molality and van't Hoff factor $(i)$ for the following aqueous solutions: (a) 1.00 mass $\% \mathrm{NaCl}$, freezing point $=-0.593^{\circ} \mathrm{C}$ (b) 0.500 mass $\% \mathrm{CH}_{3} \mathrm{COOH}$, freezing point $=-0.159^{\circ} \mathrm{C}$
a. Calculate the freezing-point depression and osmotic pressure at $25^{\circ} \mathrm{C}$ of an aqueous solution containing 1.0 $\mathrm{g} / \mathrm{L}$ of a protein (molar mass $=9.0 \times 10^{4} \mathrm{g} / \mathrm{mol} )$ if the density of the solution is 1.0 $\mathrm{g} / \mathrm{cm}^{3}$ b. Considering your answer to part a, which colligative property, freezing-point depression or osmotic pressure, would be better used to determine the molar masses of large molecules? Explain.
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