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-Volume of unknown acid___ -Average molarity of NaOH from above__ -mL of NaOH at equivalence point__ -molarity of unknown acid__

-Volume of unknown acid___ -Average molarity of NaOH from above__ -mL of NaOH at equivalence point__ -molarity of unknown acid__

Chemistry
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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sing the pictures please help me with these questions.

-Volume of unknown acid___
-Average molarity of NaOH from above__
-mL of NaOH at equivalence point__
-molarity of unknown acid__
(there was only one trial so average molarity and standard deviation are not required)

REPORT SHEET Determination of the Dissociation Constant of a Weak Acid B. Standardization of Sodium Hydroxide (NaOH) Solution Trial 1 Trial 2 Mass of bottle + KHP 93,208 94,010 Mass of bottle 92,786 93,659 Mass of KHP used 0.422 0.942 Final buret reading 21,60 mL 38.61 ML Initial buret reading 0.68ml. 21,60 m² mL of NaOH used 20.92 17,01 Molarity of NaOH 0.10 0,013 Average molarity (show calculations and standard deviation) 0,041 Standard deviation 0,065 (0,10 -0,041)³ + (0,013 -0,041)² + (0,0) +0,041) 2. up! 3-1 -4 (6,96X10²) + (7.84 X10 ) + (9,61×104) 2 8.44X10-3 01065 Copyright © 2018 Pearson Education, Inc. Trial 3 85,517 85,162 0.355 18,99 1,71ML 17,28 0,01 I
Transcribed Image Text:REPORT SHEET Determination of the Dissociation Constant of a Weak Acid B. Standardization of Sodium Hydroxide (NaOH) Solution Trial 1 Trial 2 Mass of bottle + KHP 93,208 94,010 Mass of bottle 92,786 93,659 Mass of KHP used 0.422 0.942 Final buret reading 21,60 mL 38.61 ML Initial buret reading 0.68ml. 21,60 m² mL of NaOH used 20.92 17,01 Molarity of NaOH 0.10 0,013 Average molarity (show calculations and standard deviation) 0,041 Standard deviation 0,065 (0,10 -0,041)³ + (0,013 -0,041)² + (0,0) +0,041) 2. up! 3-1 -4 (6,96X10²) + (7.84 X10 ) + (9,61×104) 2 8.44X10-3 01065 Copyright © 2018 Pearson Education, Inc. Trial 3 85,517 85,162 0.355 18,99 1,71ML 17,28 0,01 I
C. Determination of pK, of Unknown Acid First determination mL NaOH pH mL NaOH 3, S 31 Talitz Tacna. 3,8 4₁0 70 4 412 S 9.3 4,4 LIZ 4,5 4,6 4.7 Hot 4.8 4,8 4.9 4,9 5,0 5,1 5₁2 5.2 5,3 5,4 5, 6 5,8 6₁1 9,8 10,8 11,2 11,3 11,4 28 11,5 29 11,6 30 11.8 Volume at equivalence point Volume at one-half equivalence point 565 6 7 15 8 00 9 10 MAT 12 13 14 Is 16 17 18 20 21 22 23 24 25 2 b ve Determination of the Dissociation Constant of a Weak Acid Second determination pH 22 118 MANG 400207 22,02ML pKa 4,59 Ka 2.57 X10 311m/ pKa Ka Third determination mL NaOH pH pKa Ka
Transcribed Image Text:C. Determination of pK, of Unknown Acid First determination mL NaOH pH mL NaOH 3, S 31 Talitz Tacna. 3,8 4₁0 70 4 412 S 9.3 4,4 LIZ 4,5 4,6 4.7 Hot 4.8 4,8 4.9 4,9 5,0 5,1 5₁2 5.2 5,3 5,4 5, 6 5,8 6₁1 9,8 10,8 11,2 11,3 11,4 28 11,5 29 11,6 30 11.8 Volume at equivalence point Volume at one-half equivalence point 565 6 7 15 8 00 9 10 MAT 12 13 14 Is 16 17 18 20 21 22 23 24 25 2 b ve Determination of the Dissociation Constant of a Weak Acid Second determination pH 22 118 MANG 400207 22,02ML pKa 4,59 Ka 2.57 X10 311m/ pKa Ka Third determination mL NaOH pH pKa Ka
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