Table 4. Calculations for standardization of sodium hyroxideTrial 1Trial 2Trial 3[1] Tared mass of KHCgH,04 (g)0.3740.3250.357[2] Burette reading of NaOH, initial (mL)4.593.614.03[3] Burette reading of NaOH, final (mL)22.0318.7721.17[4] Volume of NAOH, dispensed (mL)[5] Molar concentration of NaOH (mol/L)(2pts) Average molar concentration of NaOH (mol/L) OoldtionTable 1. Measurements for standardization of NaOHTrial 1Trial 2Trial 31] Tared mass of KHC3H4O4 (9)0.3740.3250.35712] Burette reading of NaOH, initial (mL)4.593.614.03[3] Burette reading of NaOH, final (mL)22.0318.7721.17Part B. Molar Concentration of an Acid SolutionEnter the number corresponding to the type of acid you have1. HA32. H2A3. H3AEnter the unknown number.21Table 2. Measurements for titration of unknown acidTrial 1Trial 2Trial 3[1] Volume of acid (mL)25.025.025.0[2] Burette reading of NaOH, initial (mL)2.132.483.68[3] Burette reading of NaOH, final (mL)24.1024.5225.56Part C. Percentage by Mass of an Unknown SolidEnter the number corresponding to the type of acid you have1. HA32. H2A3. H3AEnter the unknown number.30Molar mass of the unknown acid192.14Table 3. Measurements for titriation of solidTrial 1Trial 2Trial 3[1] Mass of sample (g)26.33429.15727.111[2] Burette reading of NaOH, initial (mL)3.211.481.22[3] Burette reading of NaOH, final (mL)22.7723.4220.99

We have to find the molarity of NaOH using moles of KHP

Table 4. Calculations for standardization of sodium hyroxide Trial 1 Trial 2 Trial 3 [1] Tared mass of KHC,H,0, (g) 0.374 0.325 0.357 [2] Burette reading of NaOH, initial (mL) 4.59 3.61 4.03 [3] Burette reading of NaOH, final (mL) 22.03 18.77 21.17 [4] Volume of NaOH, dispensed (mL) [5] Molar concentration of NaOH (mol/L) (2pts) Average molar concentration of NaOH (mol/L)

Table 4. Calculations for standardization of sodium hyroxide Trial 1 Trial 2 Trial 3 [1] Tared mass of KHC,H,0, (g) 0.374 0.325 0.357 [2] Burette reading of NaOH, initial (mL) 4.59 3.61 4.03 [3] Burette reading of NaOH, final (mL) 22.03 18.77 21.17 [4] Volume of NaOH, dispensed (mL) [5] Molar concentration of NaOH (mol/L) (2pts) Average molar concentration of NaOH (mol/L)

Chemistry

10th Edition

ISBN:9781305957404

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

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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