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State one characteristics property of the dialysis tubing and why is this property important?
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Why can't sodium ions pass through dialysis tubing?
They can, actually. That's what the whole dialysis method is based on.
Was the membrane-tubing-permeable to starch?
I'm assuming this is in reference to an experiment where you put a starch in dialysis tubing, and then put iodine in surrounding solution. Dialysis tubing has a limit of roughly mwco (molecular weight cut off of 10,000). Iodine has a molecular weight of roughly 126, so it can pass through. On the other hand, starch is a polymer of 1000's of glucose molecules. Glucose (C6H12O6) has a molecular weight of roughly 180. 1000 * 180 = 180,000, so glucose cannot pass through the dialysis tubing. In this experiment you should see the sealed tubing turn purple-pinkish after the iodine diffuses through. The outside solution should remain the same color.
Glucose and I2KI inside the bag what color would be present in dialysis tubing bag experiment?
It would turn yellow.
What type of property is exhibited when when glass tubing is heated over the flame?
because of co 2
When inserting glass tubing why is it important that you wear safety goggles and gloves or cover the tubing and stopper with protective pads of cloth?
If you are placing the tube into a hot liquid or a hot tube into a cold liquid, you are running the chance of it exploding and trust me, no one likes glass in their eyes or hands.
What cell structure the dialysis tubing represents?
Dialysis tubing is often used to emulate the selective permeability of the cell membrane.
Can hydrogen ion pass through the pores of dialysis tubing?
No.Hydrogen ion cannot pass through the pores of dialysis tubing.
What substance in the dialysis tubing or jar did not diffuse across the dialysis bag membrane and why?
molecular weight higher than the pore size of the tubing or dialysis bag material doesnt go.
What is the diameter of a dialysis tubing pore?
A dialysis tubing pore is usually 20nm, but some dialysis tubings are specially made to have smaller or larger pores ranging from .85 nanometers to 30 nanometers.
To Which substances was the dialysis tubing permeable?
I don't know unless you give more details!
What physical property of the dialysis tubing might explain its differential permeability?
Dialysis tubing is an impermeable membrane/containment vessel that is stratified with microscopic holes which restrict certain molecules or particles from diffusing through them. This leads dialysis tubing to serve as a selectively permeable membrane because it selectively prevents certain molecules from crossing the membrane based on the size of the molecules. (Typically water and glucose will diffuse through, whereas starch and potassium iodide will not.
What is dialysis tubing supposed to mimic?
The dialysis tubing is meant to represent the semi permeable membrane of a cell. Like the cell membrane, dialysis tubing has holes or pores that only allow certain things to pass through. A cell membrane similarly will only allow certain things to pass in and out.
Can sucrose molecules enter the dialysing tubing during dialysis?
NO
How is dialysis tubing like a nephron?
Gooodd luck i have no clue
Can oxygen pass through pores of dialysis tubing?
probably not
Why can't sodium ions pass through dialysis tubing?
They can, actually. That's what the whole dialysis method is based on.
Why is dialysis tubing not submerged in pure water?
The tubing is permeable; itallows water to pass through the tube wall.
