Pre-Lab Quiz 7

Pre-Lab Quiz 7 - d. inductance e. capacitance Question # 3...

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View Full Document Right Arrow Icon 1 of 2 Web Quiz You can login to this page multiple times but you cannot take the quiz more than once. . Submit your answer for grading by Clicking on the "Grade Answers" button at the bottom of the page only when you are sure of your answers. Question # 1 In 105a, the concentration of acetic acid in vinegar was determined by titrating a known volume of the vinegar solution with a solution of 0.500 M NaOH. Identify the solution known as the titrant. a. the vinegar b. the sodium hydroxide c. the burette d. the erlenmyer flask e. phenolphthalein Question # 2 The origin of the word "potentionmetric" is most closely related to which of these electrical terms. a. current b. voltage c. resistance
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Unformatted text preview: d. inductance e. capacitance Question # 3 What is an aliquot? a. a burette b. a graduated cylinder c. the name of an lake in upstate New York 2 of 2 d. a portion of the total amount of a solution e. the portion of the analyte that is discarded prior to analysis Question # 4 Referring to the figure on page 57 of the lab manual showing the potentiometric titration of a triprotic acid with a strong base, if a few drops of the indicator phenolphthalein had been intitially added to the analyte prior to the titration, how many times would you observe a color transition from colorless to pink? a. never b. once c. twice d. three times e. four times Grade Answers...
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This note was uploaded on 08/21/2008 for the course CHEM 105BL taught by Professor Warshel during the Spring '07 term at USC.

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Pre-Lab Quiz 7 - d. inductance e. capacitance Question # 3...

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