Problem: How many molecules are there in 24 grams of FeF 3?

For this problem, we’re being asked to determine the number of FeF₃ molecules found in 24 g FeF₃. The flow for this problem will be like this:

Mass of FeF₃(molar mass of FeF₃)→ Moles of FeF₃(Avogadro’s number)→ Molecules of FeF₃