Ph Lab

A detailed Summary of Ph Lab

Controlled Comparison: During class, our instructor set up the same lab that we were doing with 2 solutions, both of which were known acidic or basic. He placed 2ml of the known acid into 2 different test tubes, and 2ml of the known acid into 2 different petri dishes. Then using forceps, he tested blue litmus paper in one petri dish, and red litmus paper in another. The blue litmus paper, after being dipped into the solution, turned red in reaction to the acidic solution. While the red litmus paper remained the same color. Next he used the eye dropper and put 2 drops of phenolphthalein into one of the test tubes, and bromthyol blue into the other test tube. The phenolphthalein turned a deep milky color after reacting to the acid. While the bromthyol blue turned a deep yellow hew. He placed 2ml of the known base into 2 different test tubes, and 2ml of the known base into 2 different petri dishes. Then using forceps, he tested blue litmus paper in one petri dish, and red litmus paper in another. The blue litmus paper, after being dipped into the solution, remained its original color of blue in the basic solution. While the red litmus paper, in reaction to the basic solution quickly turned blue

. Next he used the eye dropper and put 2 drops of phenolphthalein into one of the test tubes, and bromthyol blue into the other test tube. The phenolphthalein turned a deep purple like color after reacting to the base. While the bromthyol blue remained the same color of blue.

Analysis and Conclusion: My data table is contained on another sheet of paper attached to this report. After observing the reactions that solution #1 had with our indicators, and comparing them to the known and controlled experiment, that was carried out in front of us, we determined that solution #1 was an Acid. This is because when tested, it turned the blue litmus red, yet the red litmus stayed the same. In reaction to the phenolphthalein, it became milky, while with the bromthyol blue it became a yellow looking color. After observing the reactions that solution #2 had with our indicators, and comparing them to the known and controlled experiment, that was carried out in front of us, we determined that solution #2 was a Base. This is because when tested, it turned the red litmus blue, yet the blue litmus stayed the same. In reaction to the phenolphthalein, it became purple, while with the bromthyol blue it had no color change. After observing the reactions that solution #3 had with our indicators, and comparing them to the known

Some common words found in the essay are:
Analysis Conclusion, Controlled Comparison, Data Observations, Procedure Using, bromthyol blue, blue litmus, red litmus, litmus paper, phenolphthalein milky bromthyol, blue litmus red, milky bromthyol blue, bromthyol blue yellow, litmus red, milky bromthyol, test tubes, blue yellow, phenolphthalein milky, controlled experiment carried, stayed reaction, ,

Approximate Word count = 886
Approximate Pages = 4 (250 words per page double spaced)

Category: Miscellaneous

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Ph Lab

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