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) + H3C6H507 (aq) --> 3 CO2 (g) + 3 H20(1) + Na3C6H507 (aq) In a certain experiment 0.041 moles of sodium bicarbonate and 0.031 moles 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? moles How much of the excess reactant is left over when the reaction is complete? *record an answer in 2 significant figures; standard notation* moles

Chemistry for Engineering Students
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Chapter4: Stoichiometry
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Problem 4.77PAE: The pictures below show a molecular-scale view of a chemical reaction between H2 and CO to produce...
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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) + H3C6H507(aq)
--> 3 CO2 (g) + 3 H20(1) + NazC6H5O7 (aq)
In a certain experiment 0.041 moles of sodium bicarbonate and 0.031 moles 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?
moles
How much of the excess reactant is left over when the reaction is complete? *record an answer in 2 significant
figures; standard notation*
moles
Transcribed Image Text: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) + H3C6H507(aq) --> 3 CO2 (g) + 3 H20(1) + NazC6H5O7 (aq) In a certain experiment 0.041 moles of sodium bicarbonate and 0.031 moles 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? moles How much of the excess reactant is left over when the reaction is complete? *record an answer in 2 significant figures; standard notation* moles
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