CHM 1025C/CHM 1032C                                 Name: ____________________

 

Analysis of Alka-Seltzer Lab Pre-Lab Calculation

 

A. Balance Reaction:

 

NaHCO3(aq)   +   C6H8O7(aq)   ------>    H2O(l)  +   CO2(g) +   Na3C6H5O7(aq)

 

Show dimensional Analysis Sequence:

 

B. Find the Limiting the Limiting Reagent:

 

1. _____?_____ MOLESNaHCO3 = 1916 mgNaHCO

 

 

 

 

2.______?____  MOLES C6H8O7 = 1000 mg C6H8O7

 

 

 

 

 

 

3a: Theoretical moles of Citric Acid need if all the moles of Sodium Bicarbonate reacts:

 

 

 

 

3c. Which ingredient Limits the Reaction:   NaHCO3     or   C6H8O7    Circle the correct

 

 

 

 

 

 

4. Theoretical Grams of CO2 that can be produced from the Limiting Reagent:

(Mole-Mass Problem)