pH, pOH, [H+] and [OH-]

This page is a drill and practice exercise in basic pH calculations. When you press "New Problem" a value will appear in one of the windows. You must properly fill in the other three windows. Pressing "Check Answer" does so and returns the result in the second table. If you get a problem incorrect, you should retry it until it is correct. Use the "e" notation to enter numbers in scientific notation:

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pH pOH [H+] [OH-]
Results Total Taken Correct