Mass Relationships in Chemical Equations

This page is an exercise in basic stoichiometry. When you press "New Problem," a reaction with a question will appear in the top frame on this page. Determine the value of the correct answer, enter it in the cell and press "Check Answer". The results appear in the table.
Enter your answer here
Results Total Done Total Correct

This page was developed by Prof George Wiger of California State University, Dominguez Hills campus.