CHEM 200 Lecture Notes - Lecture 4: Magnesium Sulfate, Lab Notebook, Chlorine

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Refer to my pre-lab report on pages 6-7 of my laboratory notebook to see an outline of the procedure to be followed. In the experiment, these changes were made: 0. 06m (nh ) moo , instead of 0. 25 m and using 4 drops of (nh ) moo instead of 6-8 drops, both in step 4 of part. Turned a white, milky color with white flakes forming at the bottom. Liquid remained clear with a white precipitate at the bottom of the test tube. Changed to a milky white color and had a thicker consistency. Developed a solid yellow color and became slightly thicker. Results: hydrogen carbonate and sulfate ions were both present in the epsom salt, while the. Laundry detergent also contained hydrogen carbonate, and sulfate ions. Changed to a milky white color and became soupy in consistency. Results: the unknown contained chloride and sulfate ions.