Which of the following substances will have the greatest effect on freezing point or boiling point? Assume the same molar amount of each solute dissolved in the same amount of solvent. A.K3PO4 B.FeCl2 C.NaCl D.C2H602 What temperature does water freeze at when 50.0g of antifreeze is dissolved in 1000 g of water? What temperature does water freeze at when 50.0g of antifreeze is dissolved in 1000 g of water? Sketch what happens when two solutions of different concentrations are separated by a semipermiable membrane If normal biological conditions are 0.9% NaCI and 5% glucose, what type of cell would you expect to see if blood cells were placed in a 4% glucose solution? Spherical, Biconcave, or Crenated?

How many grams of Na2S (78.05 g/mol) must be dissolved in 250.0 mL of water in order to create a solution with a freezing point equal to -1.04°C? Kf for water = 1.86°C/m. O 3.64 g B. 8.27 g 710.9 g 11.6 g

What is the boiling point of a 3.85 molal solution of naphthalene (nonvolatile, non-electrolyte) in benzene? The boiling point of benzene is 80.1 °C and the Kh is 2.53 °C/ m O 83.2 °C O 77.3 °C. O 56.7 °C. O 112 °C O 16.9 °C O 99.7 °C. O 89.8 °C. O 94.1 °C.

Answer the following questions about an aqueous solution of methyl ethanoate (C3H6O2) with a concentration of 3.85 molal. A.Identify the intermolecular forces in the solution. B.What is the boiling point of the solution? C.Would an aqueous solution of magnesium chloride of the same molality have a higher or lower boiling point? Justify your answer. D.The enthalpy of vaporization of methyl ethanoate is 409.3 J/g. How much energy is required to convert the amount of methyl ethanoate in the solution to vapor?