AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow...

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AP Lab #1 Osmosis & Osmosis & Diffusion Diffusion

Transcript of AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow...

Page 1: AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow some molecules to pass through, and others not. Determined.

APLab #1AP

Lab #1

Osmosis & Osmosis & DiffusionDiffusionOsmosis & Osmosis & DiffusionDiffusion

Page 2: AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow some molecules to pass through, and others not. Determined.

Lab #1 Diffusion Osmosis

• Dialysis Tubing is

• The tubing will allow some molecules to pass through, and others not. Determined by size

selectively permeable

Page 3: AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow some molecules to pass through, and others not. Determined.

Lab #1 Diffusion Osmosis

• Which way will the water flow?

Page 4: AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow some molecules to pass through, and others not. Determined.

Explain each….

• Hypotonic?

• Hypertonic?

Page 5: AP Lab #1 Osmosis & Diffusion. Lab #1 Diffusion Osmosis Dialysis Tubing is The tubing will allow some molecules to pass through, and others not. Determined.

Once you know the solute concentration, you can calculate solute potential using the following formula:

Solute potential (s) = –iCRT

• i = the number of particles the molecule will make in water– ex. NaCl = 2– ex. Sucrose or Glucose = 1

• C = molar concentration (from your experimental data graph)

• R = pressure constant = 0.0831 L bar/mole K• T - temp in degrees Kelvin = 273 + oC of solution


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carnesapbiology.files.wordpress.com Student Guide Name/Group # Date AP@ Biology Laboratory 1 Diffusion and Osmosis Objectives Use dialysis tubing to model diffusion across the cell

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DIFFUSION, OSMOSIS, and OSMOREGULATION · 2015-02-12 · Diffusion, Osmosis, and Osmoregulation NOTES January 23, 2012 OSMOSIS * A specialized type of diffusion. Osmosis - the diffusion

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