Free Shipping on Orders Over $199
Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
DC11204
Price: FREE
Determining the empirical formula of a substance is a classic experiment in AP chemistry to analyze the composition of chemical compounds. This is not an abstract problem, since more than 20 million different inorganic and organic compounds have been synthesized. Twenty million compounds—how is it possible to identify so many different compounds and tell them all apart?
1-800-452-1261
