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Simple Diffusion

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Simple diffusion is the diffusion of solute particles dissolved in water through a selectively permeable membrane. Simple diffusion is unassisted, it doesn’t require the help of a carrier molecule. A rule of diffusion states that a “substance will diffuse from where it is more concentrated to where it is less concentrated” (Reece et al., 2011). That is called a concentration gradient. Not all solutes can simply diffuse through a cell membrane, “nonpolar molecules are small enough can readily pass through the membrane pores of the cell membrane” (Diffusion). Charges ions such as oxygen and carbon dioxide have the potential to simply diffuse across the cell membrane. The purpose of this experiment is to understand that diffusion is …show more content…

13) The 50 (MWCO) Dialysis Membrane was placed in the center of the left and the right beaker. 14) Nine millimolar of Na⁺Cl⁻ is poured into the left beaker. 15) Deionized Water is placed in the right beaker. 16) A sixty-minute timer was started to see how the 9 Na⁺Cl⁻ (mM) solvent diffuses through the 50 (MWCO) Dialysis Membrane. 17) The outcome was cataloged. 18) The left and the right beaker are emptied and cleaned to execute the next test. 19) 18 millimolar of Na⁺Cl⁻ was put inside of the left beaker. 20) Deionized Water was poured into the right beaker. 21) A sixty-minute timer was started to see how the 18 Na⁺Cl⁻ (mM) solvent diffuses through the 50 (MWCO) Dialysis Membrane. 22) The conclusion was jotted down. 23) The 50 (MWCO) Dialysis Membrane was removed from between the beakers and put back into the original membrane container. 24) Both beakers are emptied and cleaned to begin the next test. 25) The 100 (MWCO) Dialysis Membrane was placed in the middle of the left and the right beaker. 26) Nine millimolar of Na⁺Cl⁻ is deposited into the left beaker. 27) Deionized Water is placed inside of the right …show more content…

32) Deionized water is injected into the right beaker. 33) A sixty-minute timer was started to see how the 9 Urea (mM) solvent diffuses through the 100 (MWCO) Dialysis Membrane. 34) The outcome is cataloged. 35) The 100 (MWCO) Dialysis Membrane was removed from between the beakers and put back into the original membrane container. 36) The left and right beaker are emptied and clean to begin the next trial. 37) The 200 (MWCO) Dialysis Membrane was placed between the left and the right beaker. 38) Nine millimolar of Na⁺Cl⁻ is placed inside to fill the left beaker. 39) Deionized Water is placed inside to fill the right beaker. 40) A sixty-minute timer was started to see how the 9 Na⁺Cl⁻ (mM) solvent diffuses through the 200 (MWCO) Dialysis Membrane. 41) The outcome is jotted down. 42) Both beakers are emptied and cleaned to begin the next trial. 43) Nine millimolar of Albumin is poured into the left beaker. 44) Deionized Water is poured into the right beaker. 45) A sixty-minute timer was started to see how the 9 Albumin (mM) solvent diffuses through the 200 (MWCO) Dialysis Membrane. 46) The result is cataloged. 47) This concludes the

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