Question: Hello, please help me understand what the expected observations are for both soap and detergent and why. thanks!! i appreciate it! PART B. TESTS ON
PART B. TESTS ON SOAPS AND DETERGENTS Soap. Pour 3mL of soap solution into a 10-mL graduated cylinder.1 Place your thumb over the opening of the cylinder and shake it vigorously for about 15 seconds. Allow the solution to stand for 30 seconds and observe the level of the foam. Add 2 drops of 4% calcium chloride solution from a Pasteur pipet. Shake the mixture for 15 seconds and allow it to stand for about 30 seconds. Observe the effect of the calcium chloride on the foam. Do you observe anything else? Add 0.3g of trisodium phosphate and shake the mixture again for about 15 seconds. Allow the solution to stand for 30 seconds. What do you observe? Explain these tests in your laboratory report. Detergent. Place a 0.05g sample of your prepared detergent in a 10mL graduated cylinder and add 3mL of distilled water. Hold your thumb over the opening and shake the graduated cylinder vigorously for 30 seconds. Allow the solution to stand for about 30 seconds and observe the level of the foam. Add 2 drops of 4% calcium chloride solution. Shake the mixture for 15 seconds and allow it to stand for 30 seconds. What do you observe? Explain the results of these tests in your laboratory report
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Observations and Explanations for Soap and Detergent Soap 1 Initial Foam Formation Observation When shaking the soap solution a layer of foam will for... View full answer
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