Ph Lab What is the pH of the substance? Controlled Comparison: During class, our teacher set up the comparable lab that we were doing with 2 solutions, some(prenominal) of which were cognize acerbic or basic. He pose 2ml of the know loony toons into 2 diametrical visitation tubes, and 2ml of the known acid into 2 different petri dishes. then using forceps, he time-tested grubby litmus paper in superstar petri dish, and exit litmus paper in another. The blue devil litmus paper, afterwardwards being plunge into the solution, turned red in answer to the acidic solution. charm the red litmus paper remained the same color.
Next he used the eye dropper and endow 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 xanthous 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 litmu...If you want to nark a beat essay, order it on our website:
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