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NAMES: SECTION: Trial #1 Trial #2 1. Mass of the filter paper,g 0833 0862 Mass of filter paper and precipitate, g 4.531 4.564 2. Chemical equation: Al(NO;)3(ag) NaOH(a) -> 3. N° moles AI(NO3)3(aq), mol 4. N° moles NaOHag), mol 5. Limiting reactant 6. Reactant in excess 7. Theoretical yield 8. Percent yield Thinking critically: 1) Explain how it is possible to start with equal volumes and equal concentrations of both reactants, and end up with one of them being used up, and the other being in excess. 2) Is the percent yield supposed to be 100%? What could explain the discrepancy?

NAMES: SECTION: Trial #1 Trial #2 1. Mass of the filter paper,g 0833 0862 Mass of filter paper and precipitate, g 4.531 4.564 2. Chemical equation: Al(NO;)3(ag) NaOH(a) -> 3. N° moles AI(NO3)3(aq), mol 4. N° moles NaOHag), mol 5. Limiting reactant 6. Reactant in excess 7. Theoretical yield 8. Percent yield Thinking critically: 1) Explain how it is possible to start with equal volumes and equal concentrations of both reactants, and end up with one of them being used up, and the other being in excess. 2) Is the percent yield supposed to be 100%? What could explain the discrepancy?

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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NAMES: SECTION: Trial #1 Trial #2 1. Mass of the filter paper, g 0833 0862 Mass of filter paper and precipitate, g 4.531 4.564 2. Chemical equation: Al(NO:)s(a) NAOH(a) -> 3. N° moles Al(NO3)3(aq), mol 4. N° moles NAOH(aq), mol 5. Limiting reactant 6. Reactant in excess 7. Theoretical yield 8. Percent yield Thinking critically: 1) Explain how it is possible to start with equal volumes and equal concentrations of both reactants, and end up with one of them being used up, and the other being in excess. 2) Is the percent yield supposed to be 100%? What could explain the discrepancy?
Transcribed Image Text:NAMES: SECTION: Trial #1 Trial #2 1. Mass of the filter paper, g 0833 0862 Mass of filter paper and precipitate, g 4.531 4.564 2. Chemical equation: Al(NO:)s(a) NAOH(a) -> 3. N° moles Al(NO3)3(aq), mol 4. N° moles NAOH(aq), mol 5. Limiting reactant 6. Reactant in excess 7. Theoretical yield 8. Percent yield Thinking critically: 1) Explain how it is possible to start with equal volumes and equal concentrations of both reactants, and end up with one of them being used up, and the other being in excess. 2) Is the percent yield supposed to be 100%? What could explain the discrepancy?
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