CHEM 101 Lab Report Experiment 2

CHEM 101 Lab Report Experiment 2 - Chemistry 101 Lab Report...

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-1Chemistry 101 Lab Report - Experiment 2 Acid - Base Chemistry Introduction: Experiment 2 was over acid - base chemistry and the fundamental skills for properly using chemistry as a tool to explore the world. Acid - base chemistry has been around for a long time and is used extensively in the field of science. The human body’s delicate pH balance, the earth’s oceans, and most other biological systems all depend on acid - base chemistry and its effects. pH, endpoints, equivalence points, acidity, and basicity were explored in this lab by observing the reactions of different acids with a strong base. Some important terms to know are equivalence and inflection point. The equivalence point is reached when the change in pH becomes very rapid for only a small amount of base added. The inflection point is the largest change in pH per change in volume. Graphically, it is the point on the curve where the slope changes from positive to negative. In this experiment, we titrated various solutions of strong and weak acids with a secondary standard solution of NaOH. A standardized 0.1 M NaOH solution was used to titrate both hydrochloric acid and acetic acid. 3-4 drops of Phenolphthalein was
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This note was uploaded on 07/07/2008 for the course CHEM 101 taught by Professor Williamson during the Spring '08 term at Texas A&M.

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CHEM 101 Lab Report Experiment 2 - Chemistry 101 Lab Report...

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