Experiments to Provide Evidence in a Prosecution Case with the Pervis Vinegar Company on Unknown ToxinsThe aim of this experiment is to preform tests on two samples of vinegar, one that is commercially safe and the other not (from the Pervis Company) to determine the unknown toxin contained in the Pervis Vinegar. Materials: Numerous Beakers/Conical Flasks Phenolphthalein Indicator Burette Numerous Test Tubes Sticky Tape Test Tube Rack Sodium Hydroxide (NaOH) Calculator Sample of Commercially Safe Vinegar 2 Surgical Swabs (large cotton bud) Sample of Pervis Vinegar (Toxic) 2 Agar Gel Plates Universal Indicator Incubator Oven Incubator Bunsen Burner Water 2 Small Syringes Potassium Chromate Solution Hydrochloric AcidMethodsTo fully determine and identify the unknown toxin present in the Pervis vinegar sample, four tests were needed. A molarity test was completed, a sample of the vinegar was then allowed to grow on an agar plate to ascertain whether bacteria were present and a pH test would also be done. The final test was a precipitant test to discover if the heavy metal Lead was prese......

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