Calculate the vapour pressure of pure water at 65 °C if a 465 mL solution containing 123.0 g of r...
Calculate the vapour pressure of pure water at 65 °C if a 465 mL solution containing 123.0 g of ribose, C5H10O5, has a vapour pressure of 247.54 mbar. Assume no change in volume occurs upon dissolution.
A) 264 mbar B) 239 mbar C) 309 mbar D) 363 mbar E) 255 mbar
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Calculate the vapour pressure of pure water at 65 °C if a 465 mL solution containing 123.0 g of r...
calculate the vapor pressure of a solution containing 28.5 g of glycerin in 118 mL of...
calculate the vapor pressure of a solution containing 28.5 g of glycerin in 118 mL of water at 30.0 C. the vapor pressure of pure water at this temperature is 31.8 torr. Assume that glycerin is not volatile and dissloves molecularly and use a density of 1.00 g/mL for the water.
Calculate the vapor pressure of a solution containing 36.5 g of glycerol (C3H8O3) and 125 mL...
Calculate the vapor pressure of a solution containing 36.5 g of glycerol (C3H8O3) and 125 mL of water at 30.0 °C. The vapor pressure of pure water at this temperature is 31.8 torr. Assume that glycerol is not volatile and dissolves molecularly (i.e., it is not ionic) and use a density of 1.00 g/mL for the water.
calculate the vapour pressure of this solution at 29.8 degree celsius/ you may assume that the...
calculate the vapour pressure
of this solution at 29.8 degree celsius/ you may assume that the
solution is so dilute that its density is 1.00 gm cm^-3 Pa
M Correct! A protein has a molar mass of 169000 g mol-1. An aqueous solution of this protein has an osmotic pressure of 0.294 kPa at 29.8 °C. Calculate the concentration of the protein (in g L1) in this solution. 19.72 g L. the tolerance is +/-2% SHOW ANSWER SHOW HINT LINK...
Vapour Pressure of Solutions of Non-Volatile or Volatile Solutes 31.686 g of a non-volatile solute is...
Vapour Pressure of Solutions of Non-Volatile or Volatile Solutes 31.686 g of a non-volatile solute is dissolved in 460.0 g of water. The solute does not react with water nor dissociate in solution. Assume that the resulting solution displays ideal Raoult's law behaviour. At 10°C the vapour pressure of the solution is 9.055 torr. The vapour pressure of pure water at 10°C is 9.209 torr. Calculate the molar mass of the solute (g/mol). See example 17.1 on pp865-6 of Zumdahl...
An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? A hypotheti...
An aqueous CaCl2 solution has a vapor pressure of 80.2 mmHg at 50 ∘C. The vapor pressure of pure water at this temperature is 92.6 mmHg. What is the concentration of CaCl2 in mass percent? A hypothetical solution forms between a solid and a liquid. The values of the thermodynamic quantities involved in the process are shown in the following table. Action Enthalpy separation of solute 11.5 kJ/mol separation of solvent 21.8 kJ/mol formation of solute-solvent interactions -86.7 kJ/mol solute...
A) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL...
A) Calculate the osmotic pressure of a solution containing 16.75 mg of hemoglobin in 15.7 mL of solution at 22 ∘C . The molar mass of hemoglobin is 6.5×104 g/mol. B) A 2.400×10−2M solution of NaCl in water is at 20.0∘C. The sample was created by dissolving a sample of NaCl in water and then bringing the volume up to 1.000 L. It was determined that the volume of water needed to do this was 999.4 mL . The density...
An aqueous solution containing 7.17 g of an optically pure compound was diluted to 300.0 mL...
An aqueous solution containing 7.17 g of an optically pure
compound was diluted to 300.0 mL with water and placed in a
polarimeter tube 15.0 cm long. The measured rotation was –2.15° at
25 °C. Calculate the specific rotation of the compound. The
specific reoation equation is determined by the equation:
An aqueous solution containing 7.17 g of an optically pure compound was diluted to 300.0 mL with water and placed in a polarimeter tube 15.0 cm long. The measured...
An aqueous solution containing 10 g of an optically pure compound was diluted to 500 mL...
An aqueous solution containing 10 g of an optically pure compound was diluted to 500 mL with water and was found to have a specific rotation of −117°. If this solution were mixed with 500 mL of a solution containing 3 g of a racemic mixture of the compound, what would the specific rotation of the resulting mixture of the compound? What would be its optical purity?
The vapor pressure of pure water at 25.0 °C is 23.76 torr. The vapor pressure of...
The vapor pressure of pure water at 25.0 °C is 23.76 torr. The vapor pressure of a solution containing 5.40 g of a nonvolatile substance in 90.0 g of water is 23.32 torr. What is the molecular weight of the solute?
An aqueous solution containing 6.31 g of an optically pure compound was diluted to 600.0 mL...
An aqueous solution containing 6.31 g of an optically pure compound was diluted to 600.0 mL with water and placed in a polarimeter tube 20.0 cm long. The measured rotation was –2.91° at 25 °C. Calculate the specific rotation of the compound.
calculate the vapour pressure
of this solution at 29.8 degree celsius/ you may assume that the
solution is so dilute that its density is 1.00 gm cm^-3 Pa
M Correct! A protein has a molar mass of 169000 g mol-1. An aqueous solution of this protein has an osmotic pressure of 0.294 kPa at 29.8 °C. Calculate the concentration of the protein (in g L1) in this solution. 19.72 g L. the tolerance is +/-2% SHOW ANSWER SHOW HINT LINK...
An aqueous solution containing 7.17 g of an optically pure
compound was diluted to 300.0 mL with water and placed in a
polarimeter tube 15.0 cm long. The measured rotation was –2.15° at
25 °C. Calculate the specific rotation of the compound. The
specific reoation equation is determined by the equation:
An aqueous solution containing 7.17 g of an optically pure compound was diluted to 300.0 mL with water and placed in a polarimeter tube 15.0 cm long. The measured...
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