This page presents analytical data from which you are to determine the mass % composition for a compound of up to four elements.
- To begin-press "New Compound" and a description of a compound and its analytical data will be presented.
- Enter the mass %s into the cells "Check Answer." You should determine the values to 3 signifcant figures.
- The results on the problem and a running total will appear in the table.
- You shouldn't attempt this page without having mastered the more fundamental areas of working with chemical compounds.
- 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.