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 get a problem "incorrect", you should redo it and recheck your answer.
• If you miss a problem three times, pressing the "Show Answer" button will cause a complete solution to appear.