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Which of the following scenario will lead into LOSS of yield? a. Use of a filter paper with a smaller pore size b. Addition of excess H2SO4 c. Prolonged mixing while heating Cu(OH)2. d. Dcanting liquid from CuO suspension without filter paper In the absence of sodium hydroxide, which of the following substances can you use as the titrant to proceed with the experiment? a. Ammonia b. Potassium hydrogen phthalate c. Potassium hydroxide d. None of the above In the case of over-titration, what should be done to the sample? Add acid to revert the color back to faint pink or colorless b. Discard and prepare another sample c. Add more phenolphthalein indicator а.

Which of the following scenario will lead into LOSS of yield? a. Use of a filter paper with a smaller pore size b. Addition of excess H2SO4 c. Prolonged mixing while heating Cu(OH)2. d. Dcanting liquid from CuO suspension without filter paper In the absence of sodium hydroxide, which of the following substances can you use as the titrant to proceed with the experiment? a. Ammonia b. Potassium hydrogen phthalate c. Potassium hydroxide d. None of the above In the case of over-titration, what should be done to the sample? Add acid to revert the color back to faint pink or colorless b. Discard and prepare another sample c. Add more phenolphthalein indicator а.

Chemistry
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Which of the following scenario will lead into LOSS of yield? a. Use of a filter paper with a smaller pore size b. Addition of excess H2SO4 c. Prolonged mixing while heating Cu(OH)2. d. Dcanting liquid from CuO suspension without filter paper In the absence of sodium hydroxide, which of the following substances can you use as the titrant to proceed with the experiment? a. Ammonia b. Potassium hydrogen phthalate c. Potassium hydroxide d. None of the above In the case of over-titration, what should be done to the sample? Add acid to revert the color back to faint pink or colorless b. Discard and prepare another sample c. Add more phenolphthalein indicator d. Dilute the sample with water а.
Transcribed Image Text:Which of the following scenario will lead into LOSS of yield? a. Use of a filter paper with a smaller pore size b. Addition of excess H2SO4 c. Prolonged mixing while heating Cu(OH)2. d. Dcanting liquid from CuO suspension without filter paper In the absence of sodium hydroxide, which of the following substances can you use as the titrant to proceed with the experiment? a. Ammonia b. Potassium hydrogen phthalate c. Potassium hydroxide d. None of the above In the case of over-titration, what should be done to the sample? Add acid to revert the color back to faint pink or colorless b. Discard and prepare another sample c. Add more phenolphthalein indicator d. Dilute the sample with water а.
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