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Lesson Details
Day 115: Limiting Reactant and Percent Yield
2015-2016
Date
Feb. 16, 2016
Additional Info
- Warm Up: See below
- Quiz: 6 problems, 1, 2 and 3 step stoichiometry
- Nearpod/Worksheet: View nearpod, answer questions/activities within nearpod and fill out worksheet #7 (DUE TOMORROW) Nearpod submission due tomorrow (ONLY GRADING NEARPOD)
- NEARPOD LINK: https://app.nearpod.com/#/?pin=FHMXB
Warm Up: Identify the limiting reactant if 5.43 moles of Na reacts with 4.25 moles of O2 in the following equation.
Answer:
One of the simplest ways to identify a limiting reactant is to compare how much product each reactant will produce. Stoichiometry will be used to create a ratio between reactants and products given in the balanced chemical equation.
(5.43 moles of Na will produce 2.72 moles Na2O)
(4.25 moles of O2 will produce 8.50 moles Na2O)
In the reaction Na will produce a lesser amount of Na2O than O2 will therefore Na is the limiting reactant. Notice that the starting amount of Na is actually larger than the starting amount of O2 but stoichiometry shows that Na will run out first.
Attachments
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7 - Stoichiometry Notes_Nearpod-Limiting Reagent and Percent Yield.docx Feb. 16, 2016, 2:08 a.m. - 22.3 KB
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Limiting Reactant PPT.pptx Feb. 16, 2016, 2:09 a.m. - 826.8 KB
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Limiting Reactant Example and Problems #7.pdf Feb. 16, 2016, 2:33 a.m. - 4.9 MB