How many grams of Na2CO3 can be produced when 74g of NaOH is mixed with 44g of CO2 in the following reaction: NaOH + CO2 -> Na2CO3 + H2O. When you carried out this reaction, you obtained 85g Na2CO3. What is the mass of the excess reactant?

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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".