How many molecules in FeCl3 are produced from 2.6 grams of Iron (Fe).

Iknow the answer is a but i don't know why

Write a hypothesis that answers the lesson question, “while observing a chemical reaction, how can you tell which reactant is limiting? ” hypothesis: if a substance is the limiting reactant, then . . because . .

Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes