Dissolve a measured amount of tablet in a simulated
stomach environment (known quantity of an HCl solution).
HCl
HCl
HCl
HCl
HCl
HCl
HCl
NAcid = The number of moles for the 
initial quantity of HCl.
neutralized by
Antacid Tablet.
used to neutralize
the remaining
HCl (that which was not
neutralized by the
antacid).
NAcid = Nantacid + NBase
Nantacid = NAcid - NBase
initial quantity of HCl.
Nantacid = The number of moles of HCl
neutralized by
Antacid Tablet.NBase = The number of
moles of NaOH
used to neutralize
the remaining HCl (that which was not
neutralized by the
antacid).NAcid = Nantacid + NBase Nantacid = NAcid - NBaseBack
or Indirect Titration
*NOTE: A grad cylinder is NOT accurate enough to measure HCl.