The fizz produced when an Alka-Seltzer tablet is dissolved in water is due to the reaction between sodium bicarbonate, NaHCO3, and citric acid, H3C6H507: 3 NaHCO3 (aq) + H3C6H5O7 (aq) --> 3 CO2 (g) + 3 H20(l) + Na3C6H507 (aq) In a certain experiment 3.9 g of sodium bicarbonate and 4.9 g of citric acid are allowed to react. Which chemical is the limiting reactant? Select an answer Which chemical is the excess reactant? Select an answer How much of the limiting reactant is left over when the reaction is complete? grams How much of the excess reactant is left over when the reaction is complete? grams

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Analyzing and Predicting Spectroscopic Data

The interaction of electromagnetic radiation with the structure of molecules in the sample and their study is referred spectroscopy. Several spectroscopic methods are used to acquire sample information, and these methods are proved to be accurate, fast, and non-destructive. The information obtained about the content and composition of molecules from these spectroscopic methods is called spectroscopic data.