A Rolaids tablet contains calcium carbonate to neutralize stomach acid. If titrating a Rolaids tablet requires 26.70 mL of 0.505

Question

A Rolaids tablet contains calcium carbonate to neutralize stomach acid. If titrating a Rolaids tablet requires 26.70 mL of 0.505 M hydrochloric acid, how many milligrams of
calcium carbonate are in the tablet?

CaCO3(s) + 2 HCl(aq) → CaCl₂ (aq) + H₂O(l) + CO2(g)

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