Final answer:
The question initially asks for the mass of citric acid that reacts with a given mass of sodium bicarbonate in an Alka-Seltzer-like fizzing reaction, which is a part of culinary chemistry and chemistry in everyday life. However, an unrelated exercise was introduced involving titrating sodium bicarbonate with HNO3 and NaOH, requiring knowledge of stoichiometry and balanced equations not provided in the initial question.
Step-by-step explanation:
The question pertains to the stoichiometric relationship between sodium bicarbonate (NaHCO₃) and citric acid (C₆H₈O₇) in a fizzing reaction. This kind of reaction is typical in products like Alka-Seltzer and is a great demonstration of chemistry in everyday life, especially within the culinary aspects of chemistry. In a typical acid-base reaction, the balanced equation must be known to determine the mass of citric acid required to react with a given mass of sodium bicarbonate.
However, the question also includes an unrelated exercise regarding the titration of sodium bicarbonate with HNO₃ and NaOH. To calculate the amount of NaHCO₃ used in a titration, one must understand the balanced chemical equation and stoichiometry involved, which is not directly related to the reaction between sodium bicarbonate and citric acid. Without the actual balanced equation for the reaction with citric acid, it's impossible to precisely give the mass of citric acid needed for the reaction stated in the initial question.