Chromatography Planning B- This experiment is an analysis of the separation of plant pigments. The analysis is done to examine the types of pigments found in spinach leaves mixed with acetone. The stems of the spinach were removed. The remaining leaves were squashed together in an acetone-filled mortar using a pestle. After obtaining a green mush, chromatography was ready to be done. Three pieces of chromatography paper were cut to a similar shape to the …showed first 75 words of 877 total…

…showed last 75 words of 877 total…could affect the results. The independent variables differed as different groups in the class room weighed different amounts of elodea and placed the beaker at different distances from the lamp. Data Processing and Presentation- The following chart shows the results from all the groups in class. The rate of oxygen produced per minute was measured based on the dry weight (1 g) per minute. GroupWt.of Elodeacc of O"Rate: cc/ dry weight (1g) per 1 min 12.5145 21.20.50.0023 31.130.0151 42.11.50.0039 51.51.20.0044 611.50.0083 72.32.40.0057 81.22.80.0129 9/// 1.10.003 102.12.50.0066