Answer Happy

Antacid Dry Lab Data (Titration 2) Sample Number #7 Trial 1 Trial 2 Unit M Molarity of NaOH solution Molarity of HCl solution M Mass of antacid tablet g Initial volume of HCI for dissolving tablet mL Final volume of HCI for dissolving tablet mL Initial volume of NaOH mL Final volume of NaOH mL 0.1284 0.1025 0.1023 0.55 19.97 2.36 11.35 0.1147 19.97 38.26 11.35 18.89

Calculated Data Volume of HCI added to dissolve tablet Volume of NaOH used Moles of HCI added Moles of NaOH added Moles of HCI neutralized by NaOH Moles of HCI neutralized by the tablet Moles of CaCO, Grams of CaCO, Mass percent CaCO, per gram of tablet used Average mass percent CaCO, Trial One Trial Two