Consider the reaction: 4A + 3B - 3C + 4D A student in our chemistry laboratory mixes 6.4 mol compound A with 4 mol compound B. The molar mass of the product C is 149 g/mol. (Note: A, B, C and D in above reaction represent some particular substances. They not elements) Part a) The limiting reagent is: The excess reagent is: Part b) The theoretical yield of the product C in grams is: g Part c) What is the percent yield if the student actually obtains 441 g C? % yield:

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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".