WebFeb 12, 2024 · Calculate the osmotic pressure of a solution containing 19.15 mg of hemoglobin in 15.4 mL of solution at 29 ∘C . The molar mass of hemoglobin is 6.5×104 g/mol. ... Advertisement nwandukelechi nwandukelechi Answer: 47565.9 atm. Explanation: Number of moles = mass/molar mass = 19.15 × 10^-3/6.5 × 10^4 = 29.46 mol. V = 15.4 … WebHow to use osmotic pressure to calculate molar mass.
Calculate the freezing-point depression and osmotic pressure …
WebApr 9, 2024 · Science Chemistry When 2.65 g of an unknown weak acid (HA) with a molar mass of 85.0 g/mol is dissolved in 250.0 g of water, the freezing point of the resulting solution is -0.259 °C. Part A Calculate K, for the unknown weak acid. The freezing point depression constant (Kr) for water is 1.86 °C/m. Express your answer using two … WebFeb 23, 2024 · The osmotic pressure method has the advantage over other methods as pressure measurement is around the room temperature and the molarity of the solution is used instead of molality. ... The technique of osmotic pressure for determination of molar mass of solutes is particularly useful for biomolecules as they are generally not stable at … family recreation center md
13.8: Freezing-Point Depression and Boiling-Point …
WebCalculate the mass of a non-volatile solute ... The osmotic pressure in pascals exerted by a solution prepared by dissolving 1. 0 g polymer of molar mass 1 8 5, 0 0 0 in 4 5 0 m L of water at 3 7 o C is : Medium. View solution > Derive the relation between elevation of boiling point and molar mass of solute. Medium. WebCalculate the osmotic pressure at 2 5 ∘ C of an aqueous solution of 1.00 g / L of a protein having molar mass = 2.35 × 1 0 4 g / mol. of Zumdahl "Chemical Principles" 8th ed … WebNov 9, 2024 · The vapour pressure of water at 100C is 1atm and the vapour pressure of an aceous solution of C2H6O2, non volatile, at 100C is .0.83atm. Taking into account the density of the solution, 1.013g/ml, calculate: Its osmotic pressure at 100C. The solutions freezing point. Any answers really appreciated. ANSWER: Got it!: Pa = 1atm . Pb … cooling ceiling gravigny