Compound EZ has a molar mass of 76.10 g/mol. A. Calculate the solute mole fraction and molality of an aqueous solution that is 15% EZ by mass. The molar mass of water ia 18.02 g/mol. Your answer. mole fraction of EZ molality molal B. At 40 C, water has a vapor pressure of 55.3 tor. What is the vapor pressure of the solution described in itern A at 40 °C assuming EZ is a non-volatile non-electrolyte. Your answer torr Cin this case compound EZ is 70% dissociated into E and z, deterine the freezing point of the solution described in item A. For water, K= 1.86 "C/m

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Chapter12: Solutions
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Problem 12.25QP: Consider two hypothetical pure substances, AB(s) and XY(s). When equal molar amounts of these...
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Compound EZ has a molar mass of 76.10 g/mol.
A Calculate the solute mole fraction and molality of an aqueous solution that is 15% EZ by mass. The molar mas of water is 18.02 g/mol.
Your answer.
mole fraction of EZ
molality:
B. At 40 °C, water has a vapor pressure of 55.3 torr. What is the vapor pressure of the solution described in item A at 40 °C assuming EZ is a non-volatile non electrolyte.
molal
Your answer
torr
C.if in his case compound EZ is 70% dissociated into E" and Z, deterrfine the freezing point of the solution described in item A. For water, K, = 1.86 °C/m.
Your answer
"C
SUBMIT YOUR SOLUTIONS ON THE NEXT PAGE.
Transcribed Image Text:Compound EZ has a molar mass of 76.10 g/mol. A Calculate the solute mole fraction and molality of an aqueous solution that is 15% EZ by mass. The molar mas of water is 18.02 g/mol. Your answer. mole fraction of EZ molality: B. At 40 °C, water has a vapor pressure of 55.3 torr. What is the vapor pressure of the solution described in item A at 40 °C assuming EZ is a non-volatile non electrolyte. molal Your answer torr C.if in his case compound EZ is 70% dissociated into E" and Z, deterrfine the freezing point of the solution described in item A. For water, K, = 1.86 °C/m. Your answer "C SUBMIT YOUR SOLUTIONS ON THE NEXT PAGE.
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