Calculate the freezing point of a solution of 40.0 g methyl salicylate, C7H6O2, dissolved in 800. g of benzene, C6H6.  Kf for benzene is 5.10°C/m and the freezing point is 5.50°C for benzene.

When 224. mg of a certain molecular compound X are dissolved in 45.0 g of cyclohexane (C6H₁2), the freezing point of the solution is measured to be 6.5 °C. Calculate the molar mass of X. If you need any additional information on cyclohexane, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to 1 significant digit.

A certain liquid X has a normal freezing point of 0.90°C and a freezing point depression constant Kf=6.96·°C·kgmol−1.A solution is prepared by dissolving some barium hydroxide (Ba(OH)2) in 900.g of X. This solution freezes at−3.7°C. Calculate the mass of Ba(OH)2 that was dissolved. Round your answer to 2 significant digits.

Above solution: 0.140 g of an unknown solute is dissolved in 7.88 g of cyclohexane (C6H12).The freezing point of the solution was 3.30°C.corresponding molar mass of the solute = 111 g/mol A) To the above solution a further 0.132 g of the unknown is dissolved.The freezing point of the resulting solution was 0.81°C.Calculate the corresponding molar mass of the solute. B) To the above solution a further 0.130 g of the unknown is dissolved.The freezing point of the resulting solution was -2.66°C.Calculate the corresponding molar mass of the solute. C) Calculate the mean molar mass of the solute. D) Calculate the half-range uncertainty.

When 4.18 g of a certain molecular compound X are dissolved in 45.0 g of benzene (C6H6), the freezing point of the solution is measured to be 4.9 °C. Calculate the molar mass of X. If you need any additional information on benzene, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. □□ 品 5

Ethylene glycol, HOCH2CH2OH, is a common automobile antifreeze. It is water-soluble and fairly nonvolatile (boiling point = 197°C). Calculate the freezing point of a solution containing 705 g of this substance in 3199 g of water.

When 605. mg of a certain molecular compound X are dissolved in 100. g of cyclohexane (CH₁₂), the freezing point of the solution is measured to be 6.4 °C. Calculate the molar mass of X. If you need any additional information on cyclohexane, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and t is rounded to I significant digit. 0 8 0.8 D-D X 4 G

11. When 13.46 g of lactic acid, C3H6O3, are mixed with 119 g of stearic acid, the mixture freezes at 62.7 degrees C. The freezing point of pure stearic acid is 69.4 °C. What is the freezing point constant of stearic acid

When 911. mg of a certain molecular compound X are dissolved in 35.0 g of benzene (C,H6), the freezing point of the solution is measured to be 2.5 °C. Calculate the molar mass of X. If you need any additional information on benzene, use only what you find in the ALEKS Data resource. Also, be sure your answer has a unit symbol, and is rounded to the correct number of significant digits. Ox10 미□

What would be the theoretical freezing point of a solution made by dissolving 5.052 g of CuCl 2 in 150.0 g of water? The freezing point constant of water is 1.86 °C/molal. The molar mass of CuCl 2 is 134.345 g/mol.     1.399 °C     -1.061 °C     -0.8277 °C     0.7148 °C     -1.399 °C