Arrange the following aqueous solutions in order of increasing freezing points (lowest to highest temperature): 0.10 m glucose, 0.10 m BaCl2, 0.20 m NaCl, and 0.20 m Na2SO4. Explain your reasoning.

A student dissolves 11. g of glucose (C6H₁2O6) in 500. mL of a solvent with a density of 0.80 g/mL. The student notices that the volume of the solvent does not change when the glucose dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits. molarity = molality = 0 0 OXO

When 30 grams of NH4Cl are mixed with 100 grams of water at 50°C, will the solution that results be saturated, unsaturated, or supersaturated? Explain your answer.

22.7 g of an unknown molecular solute is dissolved in 4.11 moles of phenol (C6H6O), causing the freezing point of phenol to decrease by 3.93 °C. Calculate the molar mass of the solute. For phenol, the molar mass is 94.11 g/mol and Kf = 6.84 °C/m.

2. When 7. 94 g of xylene was added to 132.5 g of cyclohexane, the freezing point of the solution was  -4.9 degrees celsius. What is the molar mass of xylene?

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A student dissolves 15. g of aniline (C6H5NH2) in 150. mL of a solvent with a density of 0.86 g/mL. The student notices that the volume of the solvent does not change when the aniline dissolves in it. Calculate the molarity and molality of the student's solution. Round both answers to 2 significant digits.

13.69 g of protein are dissolved in 200.0 mL of water at 28.3 ∘C. The osmotic pressure of the solution is 1.999 mmHg. Find the molar mass of the protein.

Order the following four aqueous solutions by their freezing point temperature. The concentrations are in molality. Assume complete dissociation of electrolytes. highest freezing point (highest temperature) 0.035 m sucrose, C6H12O6 1 2 3 0.010 m potassium bromide, KBr 4 0.010 m sodium carbonate, Na2CO3 0.015 m calcium chloride, CaCl2 lowest freezing point (lowest temperature)

A student dissolves 4.8 g of ammonia (NH,) in 350. mL of a solvent with a density of 1.01 g/mL. The student notices that the volume of the solvent does not change when the ammonia dissolves in it. Calculate the molarity and molality of the student's solution. Round both of your answers to 2 significant digits. molarity |x10 olo molality Ar