20. Mass, moles and gfm
This page permits practice with the relationships between mass, moles and the gfm.
When you press "New Problem", values will appear in two of the windows. Enter the
missing value and press "Check Answer". The results will appear in the second
table.
Hints
- Redo any problems you get incorrect and resubmit the new results.
- You may press "New Problem" rather than answer the one displayed.
- 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.