A. DETERMINING Table 11-1. Osmosis experiment data: mass of bags (g) Time 0 min 15 min 30 min 45 min 60 min Bag 1 (water) RATES OF OSMOSIS 27.3 27.7 28.5 28.4 Bag 2 (20% sucrose) 27.5 29.6 30.7 31.5 Bag 3 (40% sucrose) 26.4 287 29.9 30.8 Bag 4 (60% sucrose) 229 25.8 28.0 29.5 Bag 5 (water) 25 243 23.1 21,1
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- (a) Insert the table with data for Experiment 1 Table 1. Osmosis in a model cell contents of dialysis bag contents of beaker mass at 0 min (g) mass at 15 min (g) mass at 30 min (g) mass at 45 min (g) 1 2% sucrose 2% sucrose 11.66 11.75 11.67 11.73 2 20% sucrose 2% sucrose 12.54 12.72 12.98 13.21 3 2% sucrose 20% sucrose 12.11 11.86 11.59 11.48 (b) Calculate the total change in volume with the appropriate units for each dialysis bag in the experiment. Bag 1: Bag 2: Bag 3: (c) Explain why the volume of each bag changed during the experiment.A new 850 cm^2 membrane is being tested for use in a hemodialysis device. During testing, a model fluid mixture is used that contains solutes with average radii of 1 nm. In one test, the concentration of the filtrate is found to be 2.17 g/L, while the concentration on the feed-side surface is 8.52 g/L. Prior experimentation showed that the mass transfer coefficient in the device was approximately 9 × 10-4 cm/s. A) If the total filtration flow rate is measured to be 0.56 cm^3/s, what is the solute concentration in the feed solution? B) Explain how you could determine the average membrane pore radius for this membrane using this information.decor isLhetims.seattleschools.org/common-assessment-delivery/start/5398502362?action3Donresume&submissionld%=657119921 Concentration, Osmosis, and Cell Environments HW Quiz For each of the drawings, label what kind of environment it is in, how you know this, and what is happening to the cell. This cell is in a isotonic v solution. I know this because This cell will More water is coming in than going out More water is going out than coming in The same amount of water is going out and coming in
- Osmosis Practice Activity Osmosis is the diffusion of water from an area of high concentration to an area of low concentration. Only water moves in osmosis! The diagrams below show the concentration of water and salt inside the cell and the concentration of water and salt surrounding the cell. Complete the sentences below by comparing the concentration of the water inside the cell and the concentration outside the cell. 1. a. Water will flow the cell, out of the cell, in both directions). (into 5% NaCl 95% H20 95% NaCI 5% H20 b. The cell will (shrink, burst, stay the same). a. Water will flow (into the cell. 2. 5% NaCl out of the cell, in both directions). 5% NaCl 95% H20 95% H20 b. The cell will (shrink, burst, stay the same).2 Briefly explain the relationship between molarity and osmolarity of the NaCl solutions. Why is this relationship different for NaCl than it is for sucrose? lta fnom norto 1 and ? and explain what they demonstrate about osmosis and itsYou are developing a porous membrane for use in a dialysis system. The membrane must be able to retain both protein and glucose on the inlet side and allow other, smaller molecules to flow through. You have found that the membrane is 0.25 mm thick and contains long, rectangular pores with a width of 0.1 microns. 57% of the 50 cm^2 membrane surface area is covered with pores. A test fluid (viscosity = 1.5 cP, density = 1015 kg/m^3) is passed through the membrane. You can assume that the test fluid has a composition similar to that of blood plasma. An initial test is run at physiological conditions, and you observe that the flow rate of fluid through the membrane is 500 cm^3/min. _Given this data, what must the hydrodynamic pressure drop across the membrane in your test system be in pascals?
- Osmosis is often defined as the flow of water through a semipermeable membrane, from a dilute solution to a more concentrated solution. Video experiment #1 – saturated sucrose/dialysis tubing/water osmosis from U Mich. https://youtu.be/pCupvFGN4bw A saturated solution of sucrose-containing a red dye is separated from water by dialysis material. What happens to the volume of sucrose solution during the experiment? How do you know that the sucrose solution did not flow into the beaker of water? (Give evidence from your observation of the experiment.) Diffusion, Osmosis, Dialysis video: https://youtu.be/tHzkRtzVmUMDialysis, the flow of both solvent and small molecules or ions through a dialyzing membrane, is important clinically in the operation of the artificial kidney machine.The classic demonstration that cell plasma membranes are composed ofbilayers depends on the following kinds of data:• The membrane lipids from 4.74 x 109erythrocytes will form a monolayer of area 0.89 m2when spread on a water surface.• The surface of one erythrocyte is approximately 100 μm2in area. Show that these data can be accounted for only if the erythrocyte membrane is a bilayer.12:12 con concentrations. Assume you have a 1% salt solution in 3 different beakers. In beaker one, you place a dialysis bag with just water in it. In beaker two, you place a dialysis bag with a 1% salt solution in it. In beaker 3, you place a dialysis bag with 10% salt solution in it. Predict what will happen to each of the dialysis bags after 24 hours (get larger, get smaller or no change). Use the terms hypotonic, hypertonic and isotonic to explain your answer. Part 2: List the four types of tissue and compare and contrast 2 of these types of tissues. Describe at least 2 differences and 2 similarities between the tissues you chose.
- You have a solution of 0.30 M glycerin. Glycerin is a lipid molecule and penetrates through the cell membrane. If you place red blood cells into this solution predict what would happen to the red blood cells (stay same, crenated, lysed). Determine: 1. the osmolarity of 0.30 M glycerin 2. apperance/effect on RBC 3. tonicityI need the full answer... At 10 am you received a doctors order that you have to Infuse 1,000ml of PNSS in 10 hours to Mr Dela Cruz. What is the correct rate of this isotonic solution when the drop factor is 10 gtt = 1ml ? 15.73 qtts/min 31.249 qtts/min 49 qtts/min 18 qtts/minDemonstration of Osmosis using Potato Osmometer 1. What will happen when the liquid in the cavity overflows? Explain