Chemistry, acid base titration lab

[AnnaYL]

1. The problem statement, all variables and given/known data
Assuming stomach acid is 0.1 M HCl(aq), what volume of stomach acid can be neutralized by one antacid tablet?

We have the titration curve we got with .5M HCl titrating a tablet dissolved in 100ml distilled water

2. Relevant equations
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3. The attempt at a solution
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[Borek]

Surely you can do better. Please describe what you did in more details.