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Mass Percent Composition
- To begin-press "New Compound" and a chemical formula
will appear to the right of the table.
- Calculate the mass percents for all of the elements and enter them
in the cells.
- The results on the problem and a running total will appear in the
table.
- If you get a problem "incorrect", you should redo it
and recheck your answer.
- For ease of presentation, all masses are presented to four significant
figures, even though the gaws are often known to greater precision
than that. Percents are also presented to three significant figures.
- Pressing the "Show Answer" will display the solution
and you will no longer be able submit an answer for that problem.
The javascripting that powers this practice problem generator
was produced by Professor George Wiger of California State University
Dominguez Hills.
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© 2006-2009 Bart Fennemore. All applicable rights reserved.
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