Determing the Neutralzing Power of Antacids

Concentration of HCL: 0.7 mol/L
Volume of HCl added: 100 mL
Concentration of NaOH: 0.154 M

Volume of NaOH= 0.02123 L

a) Determine the remaining concentration of HCl in your 25 mL aliquot (show all your work). What is the total number of moles of HCl in the 250 mL Volumetric flask?

b) Determine the number of moles of HCl that were neutralized by the regular strength TUMS tablet.