University of Colorado at Boulder
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Students are given mineral chemical analyses, from which students must determine cation formulae and mole ratios.
This problem set is designed for an undergraduate course in mineralogy for majors.
Skills and concepts that students must have mastered
Students should have an understanding of introductory chemistry, including stoichiometry.
How the activity is situated in the course
This is a stand-alone exercise used as a homework assignment.
Content/concepts goals for this activity
This activity is designed to improve students' ability to calculate mineral formulae and stoichiometry.
Higher order thinking skills goals for this activity
Other skills goals for this activity
Description of the activity/assignment
In this problem set, students must determine the mineral formulas based on weight percent of constituents. They must provide the correct stoichiometry and molar ratios to three decimal places.
Determining whether students have met the goals
Students have successfully met the goals of the assignment if they answer the problem set thoroughly and accurately.
More information about assessment tools and techniques.
Download teaching materials and tips
This problem set is the 4th
of 10 homework assignments used in a Mineralogy course.
You can also access the course syllabus
which includes lecture Powerpoints, practice exams, and links to the other problem sets used in this course.