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1.Volume of NaOH at end point VI= ml Calculation of pH ISHOW CALCULATION FROM THE GRAPH TATTACH GRAPHI 2.Find out pH at equivalent to V1/2 =pH=, pka. =. 3.Equilibrium constant Ka=10PH

1.Volume of NaOH at end point VI= ml Calculation of pH ISHOW CALCULATION FROM THE GRAPH TATTACH GRAPHI 2.Find out pH at equivalent to V1/2 =pH=, pka. =. 3.Equilibrium constant Ka=10PH

Chemistry & Chemical Reactivity
Chemistry & Chemical Reactivity
10th Edition
ISBN:9781337399074
Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel
Chapter16: Principles Of Chemical Reactivity: The Chemistry Of Acids And Bases
Section: Chapter Questions
Problem 127SCQ
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Experiment: Determination of the dissociation constant and concentration of a weak acid
tnternet can contain viruses Unless you need to edit, it's safer to stay in Protected View USE THIS DATA FOR CALCULATION CHEMY 102 I experim ent 3 Ka and concentration of weak Acid Data Sheet mt Na OH PH mL Na OH pH mL Na OH 0.0 3.17 20.0 S.46 27.5 12.16 2.0 3.57 20.5 5.56 28.0 12.22 4.0 3.86 21.0 S.66 28.5 12.27 6.0 4.08 21.5 5.81 29.0 12.30 8.0 4.26 22.0 S.95 29.5 12.34 10.0 4.43 22.5 6.19 30.0 12.37 11.0 4.52 23.0 6.86 31.0 12.43 32.0 4.60 23.5 8,82 32.0 12.47 13.0 4.68 24.0 10.36 33.0 12.51 14.0 4.77 24.5 11.21 34.0 12.52 4.86 25.0 11.60 35.0 12.56 36.0 4.96 25.5 11.80 36.0 12.59 ユy.0 S.06 26.0 1L92 37.0 12.62 28.0 5.17 26.5 12.03 39.0 S.31 27.0 12.12
Transcribed Image Text:tnternet can contain viruses Unless you need to edit, it's safer to stay in Protected View USE THIS DATA FOR CALCULATION CHEMY 102 I experim ent 3 Ka and concentration of weak Acid Data Sheet mt Na OH PH mL Na OH pH mL Na OH 0.0 3.17 20.0 S.46 27.5 12.16 2.0 3.57 20.5 5.56 28.0 12.22 4.0 3.86 21.0 S.66 28.5 12.27 6.0 4.08 21.5 5.81 29.0 12.30 8.0 4.26 22.0 S.95 29.5 12.34 10.0 4.43 22.5 6.19 30.0 12.37 11.0 4.52 23.0 6.86 31.0 12.43 32.0 4.60 23.5 8,82 32.0 12.47 13.0 4.68 24.0 10.36 33.0 12.51 14.0 4.77 24.5 11.21 34.0 12.52 4.86 25.0 11.60 35.0 12.56 36.0 4.96 25.5 11.80 36.0 12.59 ユy.0 S.06 26.0 1L92 37.0 12.62 28.0 5.17 26.5 12.03 39.0 S.31 27.0 12.12
SUBMIT DATA SHEET 1Volume of NaOH at end point V1= Calculation of pH ISHOW CALCULATION FROM THE GRAPH FATTACH GRAPHI 2.Find out pH at equivalent to V1/2 =pH=D_ 3.Equilibrium constant Ka-10 pH ml pka. %3D %3D Calculation of concentration of unknown weak acid HA NAOH H,0 +NaA analyte titrant 4. Molarity of NAOH M13= 5. Vol .of acid M = V2 = ml %3D 6. Molarity of acid 7. MIVI=M2V2 =. M2 =? 8. Molarity of unknown acid M2 = M %3D CONCLUSION:
Transcribed Image Text:SUBMIT DATA SHEET 1Volume of NaOH at end point V1= Calculation of pH ISHOW CALCULATION FROM THE GRAPH FATTACH GRAPHI 2.Find out pH at equivalent to V1/2 =pH=D_ 3.Equilibrium constant Ka-10 pH ml pka. %3D %3D Calculation of concentration of unknown weak acid HA NAOH H,0 +NaA analyte titrant 4. Molarity of NAOH M13= 5. Vol .of acid M = V2 = ml %3D 6. Molarity of acid 7. MIVI=M2V2 =. M2 =? 8. Molarity of unknown acid M2 = M %3D CONCLUSION:
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