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Stoichiometry Lab and Limiting Reactant Making Chalk Labs Percent Yield editable

Rated 4.94 out of 5, based on 39 reviews
4.9 (39 ratings)
;
ChemKate
2.2k Followers
Grade Levels
7th - 12th, Higher Education, Adult Education, Homeschool
Resource Type
Standards
Formats Included
  • PDF
Pages
8 PDFs + 2 editable Google slides
$4.00
$4.00
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ChemKate
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What educators are saying

This was a great activity and the kids loved getting to draw with their chalk outside. I had to scaffold the first few questions since writing the full equation themselves was a bit above my students' abilities.
Love everything by this creator! Well organized, engaging and detailed teacher instruction for implementation!
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Description

Looking for an easy-prep, fun editable stoichiometry lab? This stoichiometry chalk lab involves the precipitation of chalk and percent yield in two versions. Version 1: stoichiometry, where students are given one mass of reactant and asked to calculate the other. Version 2: students are given the masses of reactants and must determine which to use to calculate their theoretical yield in a limiting reactant problem. Great for multiple levels of chemistry!

Answer key included - limiting reactant key utilizes the BCA Table. (see more info below)

Materials – enough for 15 lab groups of 2; though this can easily be run as groups of 3 or 4, minimizing supplies

50 100-mL or 250-mL beakers

15 Stir rods

15 pieces of filter paper

15 funnels

15 Erlenmeyer flasks

Chemicals

40 g sodium carbonate, NaCO₃(s)

60 g calcium chloride, CaCl₂(s)

1.5 L distilled water (about 0.4 gallons)

Vinegar to clean any glassware that has chalk residue

This, along with the resources linked below are available in my costs-savings Stoichiometry Bundle and the Limiting Reactant Bundle and save time and assurance with all the activities found in this Full-Year Chemistry I Activities Mega Bundle - Visit this to see a wide variety of many no-prep, print, and digital inquiry activities, graphic organizers, and application.

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Curriculum Resources

Bonding Resources

Naming Resources

Mole Resources

Lab Resources

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Total Pages
8 PDFs + 2 editable Google slides
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
NGSSHS-PS1-7
Use mathematical representations to support the claim that atoms, and therefore mass, are conserved during a chemical reaction. Emphasis is on using mathematical ideas to communicate the proportional relationships between masses of atoms in the reactants and the products, and the translation of these relationships to the macroscopic scale using the mole as the conversion from the atomic to the macroscopic scale. Emphasis is on assessing students’ use of mathematical thinking and not on memorization and rote application of problem-solving techniques. Assessment does not include complex chemical reactions.

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