2. Why do barium ions pass through the membrane? please explain na tube Test on

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2. Why do barium ions pass through the membrane?

please explain

na tube Test on surrounding water Conclusions er is red Red Ink yes, red dvelink passed the insoluble compournd te water Bartum chloride-starch test orba60 T e. anthtle4_ heel ls) insoluble compound POST-LABORATORY QUESTIONS: Does the red Ink dye pass through the membrane? Explain how you know. passed thru the membrana. The surrounding wate 1. tur ned rel Avomthe dye. -neroe water passed hvough he membrane, vet the banum do 2. Do barium ions pass through the membrane? Explain. ssthru the membrane 3. Do chioride lons pass through the membrane? Explain. Yes the chloride inr will pass through+ into the Surround iny1a chlorde ns-Hous by os corcenhrahons chloride ions inside and ortside the membrane become an equal soluhon 4, Does starch pass through the membrane? Explain. Ile-tha shch remains ins de tho tarch did no memprana becavae itis a Collo S but cannat pass thr membraned ough semipermeable 5. Abag made from dialyzing membrane Is filled with a dilute aqueous solution of sodium chloride. It is immersed in a dliute aqueous solution of potassium sulfate containing dcollodal dispersion of protein, Describe happens. Potassium Sul atewh thappens. reaction type reachont sodium chloride= Nadl double replacemen ndat)+K4Soya( NaSM+ Kacff a, Both sodium chloride and potassiim sulfte Sre salt aind they will produe The weder moleculedwil pas s>Mrowin the membrane on the least. the more concentra ons and Pheseions can pass hrough he membrane ales Saluhion E PERAMENT TILAB ESPOBETPASEF membrare The colloidal dispersien s p ed Soluh on EXPERIMENT 11/LAB REPORT/PAGE 1 OF1 Colloids dannot pass through a semipermea Conce ble mem brare tu the bag rotein will not pass

Explanation / Answer

Dialysis is the flow of certain solutes through a differentially permeable membrane. The membrane has slightly larger pores than a semi permeable membrane. Thus, the size of the molecule does affect membrane transport. Differentially permeable membranes allow small molecules to pass but not the larger molecules.

Hence, barium ions being small ions can pass through the membrane.

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