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Semipermeable Membrane And Diffusion Lab Report

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In the first experiment displaying a semipermeable membrane and diffusion, we first filled up a 500 mL beaker with 300 mL of water and added 40 drops of potassium iodide solution to the water. We slowly stirred the mixture to make sure the potassium iodide was completely even throughout the water. We then took a dialysis bag and soaked it in water for few seconds to make it easier to open up the seal. We tied up one end of the dialysis bag with a piece of string and filled the bag with 13 mL of dissolved cornstarch in water. Then we tied up the other end of the dialysis bag with a piece of string and placed the bag into potassium iodide and water solution. We waited and observed the change of color in the cornstarch mixture as it sat in the

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