When Alka-Seltzer® tablets are dissolved in water, a gas is produced due to the reaction between sodium bicarbonate (NaHCO3) and citric acid (C6H8O7) as indicated in the following reaction: 3 NaHCO3 (aq) + C6H8O7 (aq) 3 CO2 (g) + 3 H2O (l) + Na3C6H5O7 (aq) Following some experimental testing, two blends have been proposed for the tablet composition, namely: Blend 1: 6.00 gram of NaHCO3 mixed with 6.00 gram of C6H8O7 Blend 2: 6.00 gram of NaHCO3 mixed with 2.00 gram of C6H8O7 i) Determine the amount (in mole) of carbon dioxide gas produced from each of these blends, and so identify the blend that produces the most carbon dioxide. ii) What mass (in grams) of carbon dioxide gas would be produced using the blend that produces the most carbon dioxide?

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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".