Boiling point of water=100°C
i for non electrolyte=1
Kb for water= 0.52 °C/g/K
determine the molality of a water solution if the boiling temperature is 105.5C. (non electrolyte) 8)Determine...
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.
A solution is made by dissolving 5.0g of a non-electrolyte in 102. g of water. The boiling point of the resulting solution is 100.10°C. What is the molar mass of the non-electrolyte? (Kb(H2O)=0.51kg-°C/mol) A. 26 g/mol B. 1.2 x 103 C. 2.5 x 102 g/mol D. 46 g/mol E. 8.8 x 102 g/mol I keep getting 0.25, please show the steps!
A 2.23 g sample of a non-electrolyte is dissolved in 50.4 g of water. The solution freezes at −1.23℃ . Calculate the molar mass of the solute. (Use Table 12.4)
The molality of an aqueous solution of a nonelectrolyte is 0.880 m. For pure water at 20 degree C: p^o = 17.5 torr k_f = 1.86 degree C/m k_b = 0.563 degree C/m a) What is the vapor pressure of the solution at 20.0 degree C? P = ________ torr b) What is the boiling point of the solution to the nearest 0.1 degree C? t = ______ degree C c) What is the freezing point of the solution to...
A solution contains 10.35 g of unknown compound (non-electrolyte) dissolved in 50.0 mL of water. (Assume a density of 1.00 g/mL for water.) The freezing point of the solution is -3.26 ∘C. The mass percent composition of the compound is 60.98% C, 11.94% H, and the rest is O. What is the molecular formula of the compound?
Molality, Freezing Point, and Boiling Point 29 of 44 - Part 3 Review Constants Periodic Table Learning Goal Toute ring point depression or boling point elevation to din Pemola concentration of a solution The bring point, T. of a sortion is lower than the freezing point of the pure solvent. The difference in freezing point is called The treening point depression. AT AT - (solvent) - Tolution) The big pont, Th. of a solution is higher than the boting point...
A solution containing 1.00 g of an unknown non-electrolyte liquid and 9.00 g water has a freezing point of -3.33 oC. The Kf = 1.86 oC/m for water. Calculate the molar mass of the unknown liquid, in g/mol.
Determine the molality of a solution of ethanol dissolved in water for which the mole fraction of ethanol is 0.246. Give your answer to 2 decimal places
when 4.90 g of a non electrolyte solute is dissolved in water to make 505ml of solution at 24 C, the solution exerts an osmotic pressure of 803 torr. what is the molar concentration of the solution? How many moles of solute are in the solution? What is the molar mass of the solute?
Part 4. Molality of the calcium chloride solution Molality is defined as mol solute Calculate the molality of your assigned calcium chloride solution. Assume that the density of kg solvent water is 1g/mL. Questions (SHOW ALL WORK) 1. Calculate the molarity (M) of a solution when 12.80 g of glycerol (CHsOs) is added to 40.70 g of water. The density of the solution is 1,052g/ml Colligative properties like boiling point elevation depend on the number of solute particles in solution....