Average HCl 0.421203Average M NaOH 0.0900235 You measured the mass of 3 antacid tablets. What is the average mass of 1 antacid tablet?Mass (g)Please complete the following table. For each of your trials, enter the mass of crushed antacid tablet (g) dissolved in HCl, the volumeof HCl (ml) used to dissolve the sample, the corresponding volume of NaOH (mL) required to reach the endpoint, and the calculatedmmoles of HCl needed to neutralize 1 mg of sample. Use the average molarity of your NaOH solution and the average molarity ofyour HCl solution in your calculations.Trial121.1103Mass of crushed tabletdissolved in HCl (g)1.0001.0001.000Volume of HCl used todissolve samples (ml)10.0010.0010.00Volume NaOHused (ml)15.0014.0016.00mmol HCl / mg sampleUnrounded0 A33Rounded333 поSOLVE* No, the value you entered for the equivalent millimolesHCl per milligram antacid sample is incorrect.Remember that mol/g = mmol/mg.The difference between the millimoles of HCl used todissolve the sample and the millimoles of NaOHrequired to titrate the residual acid, when divided bythe antacid sample mass in milligrams, is the numberyou are seeking.At least 6 significant figures should be retained toprevent accumulating rounding errors when the valueis used in a subsequent calculation.

To determine mmol HCl/mg of sample for the following three trials:Average molarity of HCl = 0.421203…

Please complete the following table. For each of your trials, enter the mass of crushed antacid tablet (g) dissolved in HCl, the volume of HCl (ml) used to dissolve the sample, the corresponding volume of NaOH (mL) required to reach the endpoint, and the calculated mmoles of HCl needed to neutralize 1 mg of sample. Use the average molarity of your NaOH solution and the average molarity of your HCl solution in your calculations.

Please complete the following table. For each of your trials, enter the mass of crushed antacid tablet (g) dissolved in HCl, the volume of HCl (ml) used to dissolve the sample, the corresponding volume of NaOH (mL) required to reach the endpoint, and the calculated mmoles of HCl needed to neutralize 1 mg of sample. Use the average molarity of your NaOH solution and the average molarity of your HCl solution in your calculations.

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter16: Acids And Bases

Section: Chapter Questions

Problem 2STP

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