Calculate the boiling and freezing points of 0.221 mol/kg aqueous solutions of NaCl and of CaCl2. К,Н,0) — 0.520 °C/m K(H2O) = 1.86 °C/m Ть (Н-0) %3D 100.00 °C Tf (H2O) = 0.00 °C T,(NaCl) solution: °C Tp(CaCl,) solution: °C T(NaCl) solution: °C T(CaCl,) solution: °C

What is the freezing point, in °C, of a solution made with 1.07 mol of CHCl₃ in 530.0 g of CCl₄ (Kf = 29.8 °C/m, normal freezing point, Tf = -22.9 °C)?

9.)  Using the data below (tabulated at 25 °C), what is the vapor pressure, in kilopascals (kPa), of a solution formed by mixing 5.37 mol of iodomethane (CH3I) with 4.27 mol of trichloromethane (CHCl3) at 25 °C? Assume ideal behavior. Substance Vapor Pressure (kPa) Iodomethane 53.9 Trichloromethane 26.2

Given the following mixture of two compounds 45.00 mL of X (MW =53.00 g/mol)(density 1.186 g/mL) and 830.00 mL of Y (71.00 g/mol)(density 1.041 g/mL). The freezing point of pure Y is 71.00 degrees C. The molal freezing constant is 4.609 degrees C/m. What is the freezing point of the solution.

What is the freezing point, in °C, of a solution made with 1.19 mol of CHCl₃ in 530.0 g of CCl₄ (Kf = 29.8 °C/m, normal freezing point, Tf = -22.9 °C)?

Determine the boiling point elevation of a solution of 122.0 mg of carvone (a.k.a. oil of spearmint, C10H140) dissolved in 1.60 g of carbon disulfide (Kp = 2.34°C/m). 1st attempt l See Periodic Table See Hint °C 身

Automotive antifreeze consists of ethylene glycol, C₂H6O2, a non volatile nonelectrolyte. Calculate the boiling point and freezing point of a 25% mass percent solution of ethylene glycol in water. MW of Ethylene Glycol: 62.07 g/mol Kb Water: 0.52 °C/m K Water: 1.86 °C/m. 50. What is the molarity of the solution? Answer: 51. What is the change in freezing point temperature (in °C) of ethylene glycol solution? Answer: 52. What is the change in boiling point temperature (in °C) of ethylene glycol solution? Answer: 53. What is the boiling point temperature of the ethylene glycol solution? Answer: 54. What is the freezing point temperature of the ethylene glycol solution? Answer:

What is the freezing point of a solution that contains 37.0 g of glucose (C6H1206, MW = 180.16) in 350 g of H₂O? Kf for water is 1.86 °C/m Freezing point of pure water is 0 °C -0.019 °C -1.09 °C 1.09 °C -2.18 °C

At a certain temperature the vapor pressure of pure acetyl bromide (CH, COBR) is measured to be 0.34 atm. Suppose a solution is prepared by mixing 138. g of acetyl bromide and 83.4 of heptane (C,H16)- g Calculate the partial pressure of acetyl bromide vapor above this solution. Round your answer to 2 significant digits. Note for advanced students: you may assume the solution is ideal.

At a certain temperature the vapor pressure of pure thiophene (C,H,S) is measured to be 0.37 atm. Suppose a solution is prepared by mixing 106. g of thiophene and 93.4 g of acetyl bromide (CH,COB1). Calculate the partial pressure of thiophene vapor above this solution. Round your answer to 2 significant digits. Note for advanced students: you may assume the solution is ideal. atm