6 Measuring Mass of Monoprotic Unknown Acid Trial 1 Trial 2 Trial 3 8 Mass of unknown acid 10 0.3059 g 0.3092 g 0.3004 g 11 Concentration of NaOH 0.1052 M 0.1052 M 0.1052 M 12 13 Initial volume of NaOH 14 Final volume NaOH 2.93 mL 25.2 mL 0.35 mL 2.81 mL 22.96 mL 24.8 mL 15 16 17 18 Volume NAOH mL mL mL 19 20 Moles Unknown Acid mol mol mol 21 22 Molar mass Unknown Acid g/mol g/mol g/mol 23 24 Average Molar Mass (AKA GMM) 25 g/mol 26 Standard Deviation Molar Mass g/mol 27 28 Proposed Literature Value Molar Mass g/mol 29 30 % error Molar Mass 31 32

6 Measuring Mass of Monoprotic Unknown Acid Trial 1 Trial 2 Trial 3 8 Mass of unknown acid 10 0.3059 g 0.3092 g 0.3004 g 11 Concentration of NaOH 0.1052 M 0.1052 M 0.1052 M 12 13 Initial volume of NaOH 14 Final volume NaOH 2.93 mL 25.2 mL 0.35 mL 2.81 mL 22.96 mL 24.8 mL 15 16 17 18 Volume NAOH mL mL mL 19 20 Moles Unknown Acid mol mol mol 21 22 Molar mass Unknown Acid g/mol g/mol g/mol 23 24 Average Molar Mass (AKA GMM) 25 g/mol 26 Standard Deviation Molar Mass g/mol 27 28 Proposed Literature Value Molar Mass g/mol 29 30 % error Molar Mass 31 32

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter3: Molecules, Moles, And Chemical Equations

Section: Chapter Questions

Problem 3.66PAE

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