The fizz produced when an Alka-Seltzer® tablet is dissolved in water is due to the reaction between sodium bicarbonate (NaHCO3) and citric acid (H3C6H5O5): In a certain experiment 1.50 of sodium bicarbonate and 1.50 of citric acid are allowed to react.
1. How many grams of carbon dioxide form?
2. How many grams of the excess reactant remain after the limiting reactant is completely consumed?