Week 2 Lab Essay examples

1036 WordsMar 20, 20145 Pages
Lab 2 – Water Quality and Contamination Experiment 1: Effects of Groundwater Contamination Table 1: Water Observations (Smell, Color, Etc.) Beaker Observations 1 This beaker has water only, clear with no smell 2 I mixed oil in the water, the oil then started to settle at the top of the water. (oil is not a soluble) 3 Beaker contained vinegar and water, the water got a little cloudy and the vinegar smell is very strong. 4 The water and laundry detergent mix had a soapy look to it, water also became cloudy. Bubbles were on top. 5 Soil and water, the soil has made the water is brown and dirty looking; I can also smell the soil. 6 The oil is still at the top of the water 7 The vinegar smell is still very strong. 8 The water color…show more content…
Use charcoal/sand as a filter 5. Use the caustic chemicals for decontamination Experiment 3: Drinking Water Quality Table 2: Ammonia Test Results Water Sample Test Results Tap Water 0 Dasani® Bottled Water 0 Fiji® Bottled Water 0 Table 3: Chloride Test Results Water Sample Test Results Tap Water 500 Dasani® Bottled Water 0 Fiji® Bottled Water 0 Table 4: 4 in 1 Test Results Water Sample pH Total Alkalinity Total Chlorine Total Hardness Tap Water 6 120 1.0 0 Dasani® Bottled Water 2 0 1.0 0 Fiji® Bottled Water 8 0 4.0 50 Table 5: Phosphate Test Results Water Sample Test Results Tap Water 50 Dasani® Bottled Water 10 Fiji® Bottled Water 100 Table 6: Iron Test Results Water Sample Test Results Tap Water 0.15 Dasani® Bottled Water 0 Fiji® Bottled Water 0 POST LAB QUESTIONS 1. Develop a hypothesis on which water source you believe will contain the most and least contaminants. Hypothesis = I feels as though the tap water will contain the most contaminants, the bottle water will be sterile. The Dasani water has been treated, Fiji is natural spring water. Dasani will have the less contaminant 2. Based on the results of your experiment, would you reject or accept the hypothesis that you produced in question 1? Explain how you determined this. Accept/reject = I feel as though the Dasani water was the purest. 3. Based on the results of your experiment, what major
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