Assessment
Curated OER

1999 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
In this chemistry olympiad laboratory worksheet, learners design and carry out two experiments. They design one experiment to test for the percent mass of a substance in a solution and they design another experiment to identify two...
Worksheet
Curated OER

Concentration Practice

For Students 9th - 12th
In this concentration instructional activity, students find the percent volume of a compound in a solution and the molality of a solution. They determine the percent mass of a compound in a solution and they determine the mole fraction...
Lesson Plan
Curated OER

Worksheet 2-2 Stoichiometric Tools

For Teachers 10th - 12th
In this stoichiometry worksheet, students solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent mass of...
Website
Frostburg State University

General Chemistry: Percent Compound in a Mixture

For Students 9th - 10th
Resource contains and example problem and solution of how to compute percent compound within a mixture when given the mixture's mass and element percents.