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Question 21 A solution contains 478 grams of ethylene glycol (C2H4O2) in 3202 grams of water....
An aqueous antifreeze solution is 31.0 % ethylene glycol (C2 H4 O2) by mass. The density of the solution is 1.05 g/cm3. Calculate the molality, molarity and mole fraction of the ethylene glycol Molality mol/kg Molarity mol/L Mole fraction
An ethylene glycol solution contains 27.6 g of ethylene glycol (C2H6O2) in 92.0 mL of water. (Assume a density of 1.00 g/mL for water.) Determine the freezing point of the solution. Determine the boiling point of the solution.
An ethylene glycol contains 22.2 g of ethylene glycol (C_2H_6O_2) in 82.4 mL of water Calculate the freezing point of the solution. (Assume a density of 1.00 g/mL for water.) Calculate the boiling point of the solution.
An ethylene glycol solution contains 14.2 g of ethylene glycol (C2H6O2) in 83.4 mL of water. A.Calculate the freezing point of the solution. (Assume a density of 1.00 g/mL for water.) Express your answer in degrees Celsius using three significant figures. B. Calculate the boiling point of the solution. Express your answer in degrees Celsius using two decimal places.
An ethylene glycol solution contains 24.4 g of ethylene glycol (C2H6O2) in 85.4 mL of water. (Assume a density of 1.00 g/mL for water.) 1.Determine the freezing point of the solution. 2.Determine the boiling point of the solution.
The liquid in automobile cooling systems is prepared by dissolving ethylene glycol (HOCH_2CH_2OH) in water. Ethylene glycol has a molar mass of 62. 07 g/mol and a density 1. 115 g/ml at 50. 0 degree C. Calculate the vapor pressure at 50 degree C of a coolant solution that is 51. 0: 49. 0 ethylene glycol to water by volume At 50. 0degree C the density of water is 0. 9880 g/ml, and its vapor pressure is 92 torr. The...
An ethylene glycol solution contains 30.0g of ethylene glycol (C2H6O2) in 95.6mL of water. (Assume a density of 1.00 g/mL for water.) 1.Determine the freezing point of the solution. Express you answer in degrees Celsius 2.Determine the boiling point of the solution. Express you answer in degrees Celsius.
A solution of ethylene glycol in water at 20 degrees celsius has a mass percent of 9.78% of ethylene glycol with a density of 1.0108 g/mL. The freezing point depression constant for water (solvent for all solutions) is Kf=-1.86 percent celsius kg/mol and the boiling point elevation constant is Kb=0.512 degrees celsius kg/mol. The density of neat water at 20.0 degrees celsius is 0.9982 g/mL. Answer the following: 1. What is the molarity of the solution? 2. What is the...
A solution of ethylene glycol in water at 20.0°C has a mass percent of 8.25% of ethylene glycol with a density of 1.0087 g/mL. The freezing point depression constant for water (which you can assume is the solvent for all solutions) is K1.86°C kg/mol and the boiling point elevation constant is Kb the following: 0.512°C kg/mol. The density of neat water at 20.0°C is 0.9982 g/ml. Answer 1. What is the molarity of the solution? 2. What is the molality...
a) An ethylene glycol solution contains 25.2 gg of ethylene glycol (C2H6O2)(C2H6O2) in 96.8 mLmL of water. (Assume a density of 1.00 g/mLg/mL for water.) i) determine freezing point ii) determind boiling point degrees C