2H₂0 Consider the following reaction: Na₂CO3 + CaCl₂ · 2H₂O → CaCO3 + 2 NaCl + How many grams of Na₂CO3 are needed to completely react (stoichiometric quantity) with 71.50 grams of 2 CaCl2.2H₂O? 90.33 g 41.87 g 51.55 g 99.17 g

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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".