Yeasts are able to produce high internal concentrations of glycerol to counteract the osmotic pressure of the surrounding media. Suppose that the of yeast cells are placed in an aqueous solution containing 4% Sodium Chloride solution by weight; the solution density is 1.02 g/mL at 25°C MW of Glycerol: 92.09 g/mol R: 0.0805 L.atm/mol.K 55. What is the molarity of the solution? Answer: 56. What is the osmotic pressure of a 4.0% aqueous NaCl solution at 25°C? Answer:

Yeasts are able to produce high internal concentrations of glycerol to counteract the osmotic pressure of the surrounding media. Suppose that the of yeast cells are placed in an aqueous solution containing 4% Sodium Chloride solution by weight; the solution density is 1.02 g/mL at 25°C MW of Glycerol: 92.09 g/mol R: 0.0805 L.atm/mol.K 55. What is the molarity of the solution? Answer: 56. What is the osmotic pressure of a 4.0% aqueous NaCl solution at 25°C? Answer:

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Similar questions

A solution of 12.4 g of an unknown protein dissolved in enough water to make 0.245 L of solution has an osmotic pressure of 424 torr atm at 25o C. Based on these data, what is the molar mass of the protein?
AMoving to another question will S When 1.373 g of a nonelectrolytic substance was dissolved in enough benzene to make 0.166 L of solution, the osmotic pressure was found to be 1 torr at 21.3 °C. What is the molar mass (g mol) of this substance? (the answer should be entered with 3 significant figures; do not enter units; give answer in scientific notation--valid notation examples include 1.23e-8 and 1.23e8 and-1.23e-4 and 1.23e0) Questlen 28 EQuestion 28 of 29 A Moving to another question will save this response. 40 S80. & 60 2 24 4 %23 6 9 delete 7. E R Y enter S L K return ock V B N alt atrol option mand command option
The nonvolatile, nonelectrolyte chlorophyll, Cs5H72MgN4O5 (893.50 g/mol), is soluble in ethanol CH3CH₂OH. Calculate the osmotic pressure generated when 14.8 grams of chlorophyll are dissolved in 189 ml of a ethanol solution at 298 K. The molarity of the solution is The osmotic pressure of the solution is Submit Answer M. atmospheres. Retry Entire Group 9 more group attempts remaining
There is 19.03 g sample of camphor dissolved in benzene. The volume of the solution is 500 mL. The osmotic pressure of the solution is 6.00 atm at 19.0 degC. What is the number of moles of camphor ? R = 0.082 L*atm/mol*K (hint: convert degree of Celsius to Kevin first)
A 1.384 g sample contains only vitamin C (CH₂O) and sucralose (C₁2H₁9C13Og). When the sample is dissolved in water to a total volume of 41.2 mL, the osmotic pressure of the solution is 3.83 atm at 305 K. What is the mass percent of vitamin C and sucralose in the sample? vitamin C: sucralose: % %
please possible both? An aqueous solution is 5.50% by mass ammonia, NH3, and has a density of 0.975 g/mL. The molality of ammonia in the solution is m. An aqueous solution of nickel(II) sulfate has a concentration of 9.10x102 molal. The percent by mass of nickel(II) sulfate in the solution is %.
When 3.25 g of a nonelectrolyte solute is dissolved in water to make 165 mL of solution at 24 °C, the solution exerts an osmotic pressure of 879 torr.What is the molar concentration of the solution? MHow many moles of solute are in the solution? molWhat is the molar mass of the solute? g/mol
45. A solution is prepared by dissolving 35.0 mg of hemoglobin in enough water to make up 15.0 mLin volume. The osmotic pressure of the solution is found to be 10.0 torr at 25.0 °C. Calculatethe molar mass of hemoglobin.
:((((
A 5.23 X 105 mole protein is dissolved in 31.2 mL of water at 28°C. What is the osmotic pressure of the solution? (R=0.0821 L atm/(K mol)) O 0.0421 atm O 1.71 atm 0.00382 atm O 23.7 atm O 0.041 atm
The density of a glycerol/water solution that is 40.0% glycerol by mass is 1.101 g/mL at 20 degree C. Calculatethe molality and molarity of glycerol in the solution at 20 degree C. Calculate the molality at 0 degree C.
At what temperature would a 0.0411 M solution of calcium nitrate (Ca(NO₃)₂) in water exhibit an osmotic pressure of 2.95 atm? Assume calcium nitrate completely dissociates. R = 0.08206 L･atm/K･mol