The first step in the reaction of Alka–Seltzer with stomach acid consists of one mole of sodium bicarbonate (NaHCO3)(NaHCO3) reacting with one mole of hydrochloric acid (HCl)(HCl) to produce one mole of carbonic acid (H2CO3),(H2CO3), and one mole of sodium chloride (NaCl).(NaCl). Using this chemical stoichiometry, determine the number of moles of carbonic acid that can be produced from 22 mol NaHCO3NaHCO3 and 88 mol HCl.HCl. moles of carbonic acid :   mol Which of the two reactants limits the number of moles of H2CO3H2CO3 that can be made? HClHCl NaHCO3NaHCO3 How much excess reactant remains after the reaction? excess reactant :   mol

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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".