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Stoichiometry 4 w/Percent Yield

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Stoichiometry 4

w/Percent Yield

- First off, most people in here do not need to be told this. You’re doing the right thing. It’s noticed and appreciated.
- Things that should not be done during class;
- Loud/disruptive behavior
- Rude behavior towards other students or the teacher
- Swearing/unprofessionalism
- Off-topic conversations / time wasting

- 3 Warnings and you’ll be asked to leave the class.
- You must come after school with your classwork to get credit.

- Write the action required for each arrow of the diagram.

- Admit Slip
- Homework Review
- Percent Yield and Notes
- Classwork
Product: Notes and Classwork

Homework : Problems #1-3

- Students will be able to:
- Convert the mass or moles of one substance to the mass or moles of another substance in a balanced chemical reaction (Stoichiometry)
- Calculate percent yield

- Often in a chemical reaction, you do NOT make as much as you should make according to stoichiometry.
- For every percent yield problem, you will calculate how much you SHOULD make of a product (the theoretical amount)
- Also, you will be given an amount that is ACTUALLY made of that product.
- You compare these two amounts through this equation.
Percent = Actual Amount Yield Theoretical Amount

- 4 C3H5O + 15 O2 12 CO2 + 10 H2O
- In the lab, you only produce 10 mol of CO2 from 18 mol of O2. What is the percent yield?
- a) How many mol CO2 should you make?
- b) What is the percent yield?

- Complete problems # 1 – 9 independently or in a small group.
- We will review our work at: