Empirical Formulas from % composition

Usage

• To begin-press "New Question" and a question appears to the right of the table
• Determine the empirical formula and follow the instructions for submitting your results.
• The results on the problem and a running total will appear in the second table.
• If you miss a problem three times, pressing "Show Answer" will display the complete solution and you will no longer be able submit an answer for that problem.