1. What is the boiling point of water made by dissolving 16.19 g of ethylene glycol (CH2(OH)CH2(OH)) in 89.47 g of water? The boiling-point elevation constant of water is 0.52 C/m.
2. What is the boiling point of water made by dissolving 12.23 g of magnesium chloride in 85.48 g of water? The boiling-point elevation constant of water is 0.52 C/m.
3. What is the boiling point of water made by dissolving 20.82 g of sodium chloride in 85.57 g of water? The boiling-point elevation constant of water is 0.52 C/m.
4. What is the boiling point of water made by dissolving 39.97 g of sugar (C12H22O11) in 85.20 g of water? The boiling-point elevation constant of water is 0.52 C/m.
1. What is the boiling point of water made by dissolving 16.19 g of ethylene glycol...
What is the boiling point of a mixture composed of 90.0 g HOCH2CH2OH (ethylene glycol, MM= 62.068 g/mol) and 120.0 g H2O? The boiling point elevation constant for H2O is 0.512 °C/m. Boiling point of a pure water under the same condition is 100.0°C.
Ethylene Glycol [CH2(OH)CH2(OH)] is a common automobile antifreeze. Calculate the Freezing Point and boiling point of a solution containing 283g of ethylene glycol and 1035g of water. (Kb and Kf of water are .52 C/m and 1.86 C/m respectively.
A solution is prepared by dissolving 7.8 g of ethylene glycol (HOCH2CH2OH) in 50.0 g of water to produce 56.9 mL of solution. Ethylene glycol is non-volatile. a. What is the vapor pressure of the solution at 100oC? b. What is the boiling point of the solution? Kb = 0.51 oC/m
17 Marks: 1 What is the freezing point of water made by dissolving 10.74 g of magnesium chloride in 86.59 g of water? The freezing-point depression constant of water is 1.86 °CIm Answer: 18 Marks: 1 What is the freezing point of water made by dissolving 16.31 g of sodium chloride in 93.18 g of water? The freezing-point depression constant of water is 1.86 °C/m. Answer 19 Marks: 1 What is the freezing point of water made by dissolving 46.18...
Calculate the freezing point of a solution made by dissolving 893 g of ethylene glycol (FW = 62.1) in 1000 g of water. Select one: a. -53.6 oC b. - 254. oC c. -26.8 oC d. -0.935 oC
Could someone help me solve problems 16 and 17?
Thanks
What is the freezing point of water made by dissolving 16.63 g of ethylene glycol (CH_2(OH)CH_2(OH)) in 86.97 g of water? The freezing-point depression constant of water is 1.86 degree C/m. Answer: What is the freezing Point water made by dissolving 13.98 g of magnesium chloride in 85.25 g of water? The freezing-point depression constant of water is 1.86 degree C/m. Answer:
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...
8. Ethylene glycol, HO-CH2-CH2-OH, a nonelectrolyte, is added to the water in a radiator to give a solution containing 515 g of ethylene glycol in 565 g of water. a. What is the molality of this solution? b. What is the boiling point of this solution? (Kb = 0.512 °C kg/mol for water)
What is the freezing point and boiling point in Celsius of a solution 400 g of ethylene glycol (MW=62 g/mol) dissolved in 500 g of water? The molal freezing point depression constant for water is 1.86 C/m The molal boiling point elevation constant of water is 0.512 C/m Please explain steps
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...