Antacid Table

Antacid Information Table FS/2014

AntacidActive Ingredients (mg)Recommended Minimum DosagePrice($) / (#tablets)
Mylanta700 mg CaCO3 + 300 mg Mg(OH)21 tablet$4.93 / 70 tablets
Tums*500 mg CaCO31 tablet$3.99 / 150 tablets
Rolaids550 mg CaCO3 + 110 mg Mg(OH)21 tablet$3.44 / 150 tablets
    
Equate160 mg Al(OH)3 + 105 mg MgCO31 tablet$3.82 / 100 tablets
Maalox600 mg CaCO31 tablet$4.77 / 85 tablets
Baking Soda*Pure NaHCO3 = 1000 mg0.5 tsp. or 1.0 gm.$ 0.56 / 16 oz.


* do these by direct titration also

Standard acid and base used

Section(s)HCl molarityNaOH molarity
   
   

Titrations

Do either Gp I or Gp II-3 antacids assigned by TA. Obtain data for the other 3 antacids from another group.
Do all 3 as back titrations and 1 as a direct titration (either Tums or NaHCO3, depending on your assigned group)

Report

Objective, Procedure, Results, Conclusions

Tables

Basic cost & composition data
Titration data, calculated results
Calculate percent yield as mg HCl required to titrate/theoretical mg HCl required to titrate x 100%
e=chemical efficiency = percent yield/100

Graphs

Results expressed as effectiveness in mg HCl neutralized per dollar and as mg HCl per tablet