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Ph Chemistry Indicators And Buffers

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Chemistry
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Highline Community College
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Homework
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Question 1 Data and Observations Part A: Cabbage Indicator pH=2 Light Pink pH=4 Dark Pink pH=6 Purple pH=7 Dark Blue pH=8 Blue pH=10 Blue-Green pH=12 Green-Yellow Part B: Cabbage Indicator Color pH Acidic, Basic, Neutral dish soap Dark Purple 6,5 Acidic shampoo Dark Pink 5 Acidic glass cleaner Green 10 Basic Question 2: Data and Observations Part C: Buffers Dl Water Buffer Drops of HCl added Color pH Color pH 0 Blue 7 Blue 7 1 Light Purple 6 Blue 7 2 NOT SHOWED NOT SHOWED NOT SHOWED NOT SHOWED 3 Pink 4 Blue 7 4 Light Pink 3 Blue 7 5 Light Pink 2 Blue 7 2nd Part : DL Water Buffer Drops of NaOH(aq) added Color pH Color pH 0 Blue 7 Blue 7 1 NOT SHOWED NOT SHOWED NOT SHOWED NOT SHOWED 2 Blue-Light Green 9 Blue 7 3 Light Green 10 Blue 7 4 Light Green 10 Blue 7 5 Green 12 Blue 7 Question 3: To determine the pH of an unknown solution, a student adds 10 drops of red cabbage indicator to the solution, but the solution remains colorless. Can the student determine if the solution is acidic, basic, or neutral? Explain. According to our experiment, we have seen that adding an indicator to a ...
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