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Indicactor Lab
Beginning of essay
What is in each test-tube? What proof do I have of this?
Test-tube A: Test-tube A had water in it. I can base this on the fact that it was a neutral, reacting neither to red or blue litmus paper. Phenolphthalein also did not react to this substance. The pH value was 7, neutral, also adding to the p ....
Middle of essay
....lphthalein, but its pH value tested as 7. This cannot be correct however, because all acids have a pH value less than 7. The appearance and smell were not of any help, because it was a clear substance with a slight odor I couldn’t key in on. So my conclusion is that this substance was an extremely weak acid of some sort.
Test-tube F: Test-tube F contained sodium hydroxide. The substance had a very strong reaction to red litmus and no reaction to blue litmus paper. It had a very strong e.... |
| Number of words: 430 |
Approximate pages: 2 |
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