What is the boiling point of a solution produced by adding 650 g of cane sugar (molar mass 342.3 g/mol) to 1.7 kg of water? For each mole of nonvolatile solute, the boiling point of 1 kg of water is raised 0.51 ∘C.
What is the boiling point of a solution produced by adding 650 g of cane sugar...
A solution contains 0.180 g of an unknown nonelectrolyte solute in 50.0 g of water. The solution freezes at –0.040 0C (notice the negative sign). A) What is the molar mass of the unknown solute? B) What is the boiling temperature of the solution? Kf(water) = 1.86 K kg mol-1 ; Kb(water) = 0.51 K kg mol-1 . Assume that the solute only exists as a monomer in aqueous solution.
Concentrated sugar solution is produced by using an evaporator to boil off water from cane solution. A feed of 20,000 kg/day of a solution containing 20 weight % sugar is evaporated, producing 74 weight % product. What is the weight of solution produced and amount of water removed? Also, what is the mole fraction of the original feed solution and the product solution? Assume sugar is glucose.
Concentrated sugar solution is produced by using an evaporator to boil off water from cane solution. A feed of 20,000 kg/day of a solution containing 20 weight % sugar is evaporated, producing 74 weight % product. What is the weight of solution produced and amount of water removed? Also, what is the mole fraction of the original feed solution and the product solution? Assume sugar is glucose.
A solution contains 3.60 g of a nonvolatile pure hydrocarbon in 95 g acetone. The boiling points of pure acetone and the solution are 55.95°C and 56.50°C, respectively. The molal boiling point constant of acetone is 1.71°C kg/mol. What is the molar mass of the hydrocarbon? Molar mass g'mol
8. What is the final boiling point of a 1.25 molal solution of sugar in water? The Kb for water is 0.512 C/m. (For sugar i = l.) 9. A solution was prepared by dissolving 0.52 mol hexane into 400g CCl4. What is the change in freezing point of this solution? Carbon tetrachloride has a freezing point depression constant of 29.8 Cm,and freezes at-23。. 10. A solution was prepared by dissolving 0.26 moles of ethanol (C2HsOH) into 750g Diethyl ether....
In a boiling point elevation experiment, the number of mol of a nonionizing, nonvolatile solute dissolved in benzene is 0.00176 mol. The mass of the solute is 3.55g. What is the approximate molar mass of the nonionizing, nonvolatile substance? Consider amu equivalent to g / mol (molar mass ) A. 20,000 amu B. 20 amu C. 2000 amu D. 500 amu
A solution of 1.10 g of solute dissolved in 25.0 mL of H20 at 25°C has a boiling point of 100.900°C. What is the molar mass of the solute if it is a nonvolatile nonelectrolyte and the solution behaves ideally (d of H,O at 25°C = 0.997 g/mL)? I g/mol
An aqueous solution of a nonvolatile solute has a boiling point of 102.45 degrees Celsius. Knowing that for water, Kfp = 1.86 degrees Celsius m^-1 and Kbp= 0.51 degrees Celsius m^-1. What is the molality of the solution? and what is the freezing point of the solution? Please show work.
Enter your answer in the provided box. A solution of 1.55 g of solute dissolved in 25.0 mL of H20 at 25°C has a boiling point of 100.850°C. What is the molar mass of the solute if it is a nonvolatile nonelectrolyte and the solution behaves ideally (d of H20 at 25°C = 0.997 g/mL)? g/mol
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.