A student decided to prepare Fe2S3 by reacting FeCl3 with H2S.  The other product was HCl. The student collected only 10.40 grams of Fe2S3.  The notebook indicated that the expected percent yield was 28.0 %. How much FeCl3 did the student expect to get (i.e., the theoretical yield)? Write your answer to 3 digits - for example 65.6 and do not include the unit grams.

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".