Lab Report

spreading and Osmosis Pre-Lab Questions: 1. Why is ace called an index finger? one is called an indicator because it indicates cloak change. 2. What does single try on for? Iodine test for the presence/existence of starch. 3. How do you know there is a official depart? You know its a positive result when it turns from lily-livered/brown to dark purple to black. 4. What is diffusion? Diffusion is haphazard movement of molecules from a higher concentration to a dispirit concentration. 5. What is osmosis? Osmosis is diffusion of water. Hypothesis: When adding a closed mantrap of amylum & Glucose (SG) into a mixture of distilled water & Iodine, the change in color pull up stakes be observable because as long as the starch & Glucose is in clashing with the water & Iodine, the more it will change over time. information Table: #1 offset Color 5 Mins. 10 Mins. 15 Mins. 20 Mins. root word in Beaker Orange- Brown Orange-Brown ------ -------- -------- --------- --------- --------- --------- -----> event in Bag build Foggy Clear white Yellow Tint brightness Pink Same smartness Purple Same Same w/ Black height Same SG W #2 sign throng (g) net Mass (g) Diff. In Mass (g) % motley in Mass Mass of pipework 18.6 19.5 18.6 19.4 0 -1 0 -.51 #3 At the Start At the End Glucose Strip Conc.

& Color of Tube 1000 0 3000 300 Glucose Strip Conc. & Color of Beaker ! ? Clear Black Black Questions: 1. HIGH Time ? LOW 2. Glucose and Starch 3. Iodine and Distilled Water 4. Iodine 5. Water 6. Glucose, Starch, Water and Iodine 7. Water 8. Glucose and Starch 9. Color Change 10. Solution in Beaker Results: Solution initial Mass (g) Final Mass (g) inconsistency % Change Average DW 16.8 16.4 .4 -2.31 .2M 19.59...If you need to get a bountiful essay, order it on our website: BestEssayCheap.com

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