If you get four osmometers with different concentrations of sucrose, 0.3 mM, 0.4, 0.6, 0.9-, and 1.2-mM? Which one of these osmometers will have the highest osmotic pressure?
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Q: If you get four osmometers with different concentrations of sucrose, 0.3 mM, 0.4,0.6, 0.9-, and…
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Q: If you have five different osmometers containing 02 M 04 M 0.6 M. 08M and 1M of sucrose solutions…
A: 0.02M, 0.04M, 0.06M, 0.08M, 1M These are the sucrose solutions and when these solutions are placed…
Q: What is Osmotic pressure ? Why it is used ?
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Q: What does osmolarity determine?
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Q: Can solutions with the same concentration of different solutes have different osmotic pressures?
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A: Water
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Q: What is osmotic pressure?
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Q: One tube contains 1.2 mL of 300 mosm Sucrose, and the other tube contains 1.2 mL of 300 mosm Urea.…
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Q: Can you predict water movement based on the relative osmolarities of two solutions? Why or why not?
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- Osmotic pressure tends to: A. Be a pushing pressure B. Be a drawing (pulling) pressure C. Neither A or B D. Both A & BWhich answer is correct (a or b) for the question about why your hands and feet get wrinkled after staying in the bath for too long. a) the water and dissolved particles are drawn out of your skin by diffusion into the large body of water around you. b) the water is actually drawn into your skin by osmosis. explain why (a or b) is correct.Compound Sodium Lactate is isotonic solution. this mean that it a. reduces movement of sodium across the membrane b.prevent movement of water across the semi permerable cell membrane c. promotes movement of water out of the cell d. facilitates equal movement of water across the semi permerable cell membrane
- A) Based on the drawings above, which molecules were able to diffuse through the 150 MWCO membrane? B) Which molecules(s) were not able to diffuse? Why not? C) Which side of the chamber had the greater osmolarity/osmotic pressure and how could you tell?the reason solutions for injection normally contain either 150mm NaCL or 5% dextrose is that these a. are necessary for metabolism b. are hypertonic to the blood and cells c. are isotonic to the blood and cells d. are hypotonic to the blood and cellsSolutes tend to diffuse from a region where they ar_____ concentrated to an adjacent region where they are_______ concentrated. a. more, less c. movement is independent b. less, more of concentration
- In an investigation of osmosis, apple cores were submerged in different molarity solutions to determine the unknown osmolarity of the apple. To determine the molarity five uniform apple cores were massed before submerging them in different molarity solutions. After 24 hours the apple cores were massed again. Then the percent change in mass was determined for the five uniform apple cores in each molarity solution. c) Describe the environmental conditions taking place in each of the six solutions with the applesIn an investigation of osmosis, apple cores were submerged in different molarity solutions to determine the unknown osmolarity of the apple. To determine the molarity five uniform apple cores were massed before submerging them in different molarity solutions. After 24 hours the apple cores were massed again. Then the percent change in mass was determined for the five uniform apple cores in each molarity solution. (c) Describe the environmental conditions taking place in each of the six solutions with the apples refer to picture for tableWhen comparing the solute concentrations of two fluids, the fluid with the higher solute concentration will be which of the following? A. Hypotonic B. Hypertonic C. Isotonic
- Use the equation of your line to calculate an accurate concentration of solute if the absorbance is 0.15 AU. Show your calculations.Two solutions are separated by a semipermeable membrane that is permeable only to water. The two solutions are: Solution A = 150 mM KCl Solution B = 150 mM Angiotensin (a 7 amino acid polypeptide) Which of the following would best explain the net movement in this situation? - water will move from the KCl side to Angiotensin side - water will move from Angiotensin side to KCl side - The Cl- ion will move to the angiotensin side until there is 75 mM Cl- on each side - Since Angiotensin is not an ion, it can move through the membrane - There is no net water movement as the concentrations are the same on both sidesIncreasing the concentration of solutes increases osmotic potential, hence water potential decreases. A. Agree, because presence of solutes increses osmotic pressure and thus osmotic potential. C. Agree, because they just represent the same values. D. Disagree, because it is the decrease in water pressure that decreases osmotic potential. B. Disagree, because presence of solutes increases osmotic pressure which decreases osmotic potential.
