CheMagic Stoichiometry Calculator
The chemical expression in the text entry box is a proper stoichiometric calculation. Using Regular Expression search patterns, it can be modified to a format that a calculator understands. Enter a calculation in standard chemical formula notion and click Calculate. The modified text and the calculation answer will be printed below the text entry box. Parentheses are used in chemical context only. Use square brackets for forcing arithmetic operator precedence. Calculations are saved in calculator memory for convenient reload/edit. Finally, click Pedagogic Note for an aging chemistry teacher's opinion on teaching stoichiometry.
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Modified Text:
 

Answer: