Evaluating the Efficacy of Antacids
Katie Letson
11/11/2022
CAROLINA
Data
Data Table 1
Trial 1 4.74g 1.00 g/mL 0.88 M 3.25g 5mL 3.8mL
Trial 2 5.02g 1.00 g/mL 0.88 M 3.20g 5mL 3.4mL 1.6mL
Mass of acetic acid
Density of acetic acid
Concentration of acetic acid
Mass of Alka-Seltzer
Volume of NaOH, initial
Volume of NaOH, final
Volume of NaOH, total
1.2mL
Moles of acetic acid
0044
.0044
Moles of NaOH
5.45 27.93 3.69 X103
5.51
Moles of NaHCO3 Moles NaHCO3 / g AIka-Seltzer
28.66 5.00 X 103
1. Why is it important to record the initial and final volume each time the syringe is refilled? In order to increase the accuracy of the data and compare the initial and final volume gives a calculation for the difference between the two. This also decreases the margin for error greatly.
2016 Carolina Biological Supply Company
2
Data Table 2
Trial 1 5.05g 1.00 g/mL 0.88 M 1.31g 5.05mL 3.1mL
Trial 2 4.8g 1.00 g/mL 0.88 M 1.32g 4.8mL 2.7mL
Mass of acetic acid
Density of acetic acid
Concentration of acetic acid
Mass of Tums
Volume of NaOH, initial
Volume of NaOH, final
Volume of NaOH, total
2.2 mL
2.1mL
Moles of acetic acid
0.083
0.083
Moles of NaOH
0.002
0.002
Moles of CaCO3 Moles CaCO3 / g Tums
0.018
0.020
0.0230
0,010
2016 Carolina Biological Supply Compa