What is the boiling point of a solution of 11.0 g of lactose (C12H22011) in 145.0g...
Part D the boiling point of the solution: 110 g of sucrose, C12H22011 , a nonelectrolyte, dissolved in 1.40 kg of water (Kb-o52°C) Express your answer using one decimal place. the boiling point Submit Request Answer
14. (5) Determine the boiling point of the solution formed by adding 125 g of urea (M-60.06 8/mol) to 500.0 g of water. For water: Kb 0.52 K/m and Kf 1.86 K/m. 15. (4) The osmotic pressure of a solution is 8.6 atm at 250C. What is the m
A solution is prepared by mixing 4.27 g of sucrose, C12H22011, with 15.2 g of water. At what temperature will this solution boil? (K) H20 -0.512 °C/m) a) 101.640 °C b) 100.420 °C c) 99.626°C d) 100.730 °C e) 101.420 °C
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
What is the vapor pressure for an aqueous sucrose (C12H22011) solution containing 34.2 g of sucrose and 180 g of water (H2O) at 25°C? Pº(H20) at 25°C 23.8 mm Hg Molar mass of 342 g/mol sucrose Molar mass of 18.0 g/mol water 23.8 mm Hg O 0.23 mm Hg 23.6 mm Hg 13.2 mmHg
3. What is the boiling point of an antifreeze/coolant solution made from a 40% mixture of ethylene glycol (CHO) in water? Density of CHO is 1.11 g/mL and its molar mass is 62.07 g/mol. Kb= 0.52°C/m Answer: 106.2°C
PART 1- 8 points each) Please show all your work. 21. What is the boiling point in °C) of a solution prepared by dissolving 11.5 g of Ca(NO3)2 (formula weight -164 g/mol) in 150 g of water? (K) for water is 0.52°C/m)
Calculate the boiling point of a solution of CaCl2 in water. The freezing point depression of the same solution is -1.420 °C (kf = 1.86 °c/m, kb = 0.52°C/m).
What is the boiling temperature of an aqueous 1.0 molality CaCl2 solution? kBP(H20)=0.512C/m. The boiling point of water is 100.00C. Answer in C.
What is the boiling point elevation of a solution containing 17.1 g of sucrose in 100.0 g of water? The molal elevation constant of water is 0.512°C/m and the molar mass of sucrose is 342 g/mol.