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Balanced Chemical Equation NaOH + HA-> NaA + H2O Details Volume (mL) of original unkown acid (HA) solution Volume (mL) of dilute unkown acid (HA) solution Volume (mL) of DUS Titrated average molarity of NaOH solution Final buret reading initial buret reading volume (mL) of the NaOH solution delivered average volume (mL) of NaOH needed to reach the endpoint amount (mmoles) NaOH needed to reach the end point molarity of Dilute unknown acid solution (DUS) molarity of original unknown acid (HA) solution volume (ml) of DUS titrated volume (ml) of the NaOH solution to midpoint the pH reading at midpoint the pka of the weak acid the acid dissosiation constant Ka of the monorpotic acid, HA volume (mL) of DUS titrated average molarity of NaOH solution volume (mL) of the NaOH to reach the graphical end point amount (mmoles) NaOH needed to reach the end point molarity of dilute unknown HA solution molarity of original unknown solution of HA volume (mL) of the NaOH solution needed to reach the midpoint of the titratio curve the pH at the midpoint the pka of the weak acid the acid dissociation constant Ka, of the monorpotic acid, HA 14 12 10 8 6 4 2 0 -2 -4 10 Chart Title -pH of solution A -dpH/dV TRIAL 1 25 12.3mL Oml 12.3mL 0.163 6.52 x 10^-4 6.52 x 10^-3 25 mL 6.3 ml 2.66 2.65 2.23 x 10^-3 -d2pH/dV 20 TRIAL 2 25.00 ml 250 ml 25 0.01325 M 12.7ml Oml om 12.7mL 12.567 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 ml 6.3 ml 2.64 2.65 2.23 x 10^-3 25 ml 0.01325 M 13.5 ml 0.178 7.156 x 10^-4 7.156 x 10^-3 TRIAL 3 25 12.7ml Oml 12.7mL 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 ml 6.3 ml 2.65 2.65 2.23 x 10^-3 25

Balanced Chemical Equation NaOH + HA-> NaA + H2O Details Volume (mL) of original unkown acid (HA) solution Volume (mL) of dilute unkown acid (HA) solution Volume (mL) of DUS Titrated average molarity of NaOH solution Final buret reading initial buret reading volume (mL) of the NaOH solution delivered average volume (mL) of NaOH needed to reach the endpoint amount (mmoles) NaOH needed to reach the end point molarity of Dilute unknown acid solution (DUS) molarity of original unknown acid (HA) solution volume (ml) of DUS titrated volume (ml) of the NaOH solution to midpoint the pH reading at midpoint the pka of the weak acid the acid dissosiation constant Ka of the monorpotic acid, HA volume (mL) of DUS titrated average molarity of NaOH solution volume (mL) of the NaOH to reach the graphical end point amount (mmoles) NaOH needed to reach the end point molarity of dilute unknown HA solution molarity of original unknown solution of HA volume (mL) of the NaOH solution needed to reach the midpoint of the titratio curve the pH at the midpoint the pka of the weak acid the acid dissociation constant Ka, of the monorpotic acid, HA 14 12 10 8 6 4 2 0 -2 -4 10 Chart Title -pH of solution A -dpH/dV TRIAL 1 25 12.3mL Oml 12.3mL 0.163 6.52 x 10^-4 6.52 x 10^-3 25 mL 6.3 ml 2.66 2.65 2.23 x 10^-3 -d2pH/dV 20 TRIAL 2 25.00 ml 250 ml 25 0.01325 M 12.7ml Oml om 12.7mL 12.567 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 ml 6.3 ml 2.64 2.65 2.23 x 10^-3 25 ml 0.01325 M 13.5 ml 0.178 7.156 x 10^-4 7.156 x 10^-3 TRIAL 3 25 12.7ml Oml 12.7mL 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 ml 6.3 ml 2.65 2.65 2.23 x 10^-3 25

Principles of Modern Chemistry
Principles of Modern Chemistry
8th Edition
ISBN:9781305079113
Author:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Publisher:David W. Oxtoby, H. Pat Gillis, Laurie J. Butler
Chapter17: Electrochemistry
Section: Chapter Questions
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Balanced Chemical Equation NaOH + HA-> NaA + H2O Details Volume (mL) of original unkown acid (HA) solution Volume (mL) of dilute unkown acid (HA) solution Volume (mL) of DUS Titrated average molarity of NaOH solution Final buret reading initial buret reading volume (mL) of the NaOH solution delivered average volume (mL) of NaOH needed to reach the endpoint amount (mmoles) NaOH needed to reach the end point molarity of Dilute unknown acid solution (DUS) molarity of original unknown acid (HA) solution volume (mL) of DUS titrated volume (mL) of the NaOH solution to midpoint the pH reading at midpoint the pka of the weak acid the acid dissosiation constant Ka of the monorpotic acid, HA volume (mL) of DUS titrated average molarity of NaOH solution volume (mL) of the NaOH to reach the graphical end point amount (mmoles) NaOH needed to reach the end point molarity of dilute unknown HA solution molarity of original unknown solution of HA volume (mL) of the NaOH solution needed to reach the midpoint of the titratio curve the pH at the midpoint the pka of the weak acid the acid dissociation constant Ka, of the monorpotic acid, HA 14 12 10 8 6 4 2 0 -2 10 Chart Title -pH of solution -dpH/dV 15 TRIAL 1 25 12.3ml OmL 12.3ml 0.163 6.52 x 10^-4 6.52 x 10^-3 25 mL 6.3 ml 2.66 2.65 2.23 x 10^-3 -d2pH/dV 20 TRIAL 2 25.00 ml 250 ml 25 0.01325 M 12.7mL Oml 12.7mL 12.567 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 mL 6.3 ml 2.64 2.65 2.23 x 10^-3 25 mL 0.01325 M 13.5 mL 0.178 7.156 x 10^-4 7.156 x 10^-3 TRIAL 3 25 12.7ml OmL 12.7mL 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 ml 6.3 ml 2.65 2.65 2.23 x 10^-3 25
Transcribed Image Text:Balanced Chemical Equation NaOH + HA-> NaA + H2O Details Volume (mL) of original unkown acid (HA) solution Volume (mL) of dilute unkown acid (HA) solution Volume (mL) of DUS Titrated average molarity of NaOH solution Final buret reading initial buret reading volume (mL) of the NaOH solution delivered average volume (mL) of NaOH needed to reach the endpoint amount (mmoles) NaOH needed to reach the end point molarity of Dilute unknown acid solution (DUS) molarity of original unknown acid (HA) solution volume (mL) of DUS titrated volume (mL) of the NaOH solution to midpoint the pH reading at midpoint the pka of the weak acid the acid dissosiation constant Ka of the monorpotic acid, HA volume (mL) of DUS titrated average molarity of NaOH solution volume (mL) of the NaOH to reach the graphical end point amount (mmoles) NaOH needed to reach the end point molarity of dilute unknown HA solution molarity of original unknown solution of HA volume (mL) of the NaOH solution needed to reach the midpoint of the titratio curve the pH at the midpoint the pka of the weak acid the acid dissociation constant Ka, of the monorpotic acid, HA 14 12 10 8 6 4 2 0 -2 10 Chart Title -pH of solution -dpH/dV 15 TRIAL 1 25 12.3ml OmL 12.3ml 0.163 6.52 x 10^-4 6.52 x 10^-3 25 mL 6.3 ml 2.66 2.65 2.23 x 10^-3 -d2pH/dV 20 TRIAL 2 25.00 ml 250 ml 25 0.01325 M 12.7mL Oml 12.7mL 12.567 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 mL 6.3 ml 2.64 2.65 2.23 x 10^-3 25 mL 0.01325 M 13.5 mL 0.178 7.156 x 10^-4 7.156 x 10^-3 TRIAL 3 25 12.7ml OmL 12.7mL 0.1683 6.73 x 10^-4 6.73 x 10^-3 25 ml 6.3 ml 2.65 2.65 2.23 x 10^-3 25
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