Using the pka values in the table above, conclude about the relative acidity of comparing acetic acid and boric acid the relative basicity of comparing trimethylamine and ammonium hydroxide Acid/Base Acetic acide Boric acide Trimethylamine Ammonium hydroxide 1 Concentration (M) 0.14 0.14 0.14 0.1 C Measured pH value 2.93 5.91 11.20¹ 10.26 Calculated pk, value 4.86€ 10.82- 21.40 19.529

Using the pka values in the table above, conclude about the relative acidity of comparing acetic acid and boric acid the relative basicity of comparing trimethylamine and ammonium hydroxide Acid/Base Acetic acide Boric acide Trimethylamine Ammonium hydroxide 1 Concentration (M) 0.14 0.14 0.14 0.1 C Measured pH value 2.93 5.91 11.20¹ 10.26 Calculated pk, value 4.86€ 10.82- 21.40 19.529

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...

See similar textbooks

Similar questions

A weak base has a K₁ of 5.6x10-4, determine the pK of the base. ○ 10.75 ○ 7.64 6.36 ○ 3.25
F Below are four molecules that are pH sensitive: F O Structure A OH F O Structure OH Br O Br Structure C 1. Sort the given molecules in the increasing of pka values. OH 2. What was your choice for strongest acid? Explain your answer. Br Br Structure D OH
do with detail explanation
A weak base has a K₁ of 5.6x104, determine the pKь of the base. 3.25 6.36 7.64 10.75
In benzimidazole How NH group behaves as acidic and basic?
Ethylenediamine has pK, values of 4.072 (pKb1) and 7.152 (pKb). What is the predominant form of ethylenediamine at pH 6.250? O HINCH₂CH₂NH O H₂NCH₂CH₂NH₂ O H₂NCH₂CH₂NH What is the predominant form of ethylenediamine at pH 9.250? O H₂NCH₂CH₂NH² HẸNCH,CH,NH O H₂NCH₂CH₂NH₂ What is the second most abundant species of ethylenediamine at pH 6.250? O H₂NCH₂CH₂NH₂ H.NCH.CH NH
Which nitrogen-containing base is derived from the parent compound pyrimidine? Select all that apply.
Consider the following five weak acids: Succinic acid: pKa = 4.16 НOBr: Ka%3D 2.06 х 10°9 Dinicotinic: pKą = 2.08 Nitrobenzoic: Ka = 6.95 x 10-3 Saccharin: pKa = 11.68 Order these acids from the strongest (1) to the weakest (5) Dinicotinic [Choose] Saccharin [ Choose] Nitrobenzoic [Choose] НOBr [Choose] Succinic acid [Choose]
Give a clear handwritten answer...
Draw the form of the following compound that will predominate at pH 13. HO. pKa 1.84 NH2 pКa 9.13
Unknown Acid Acid name Acetic acid Group #5 Group #6 Group #7 Mean Standard Deviation % Error STATISTICAL ANALYSIS: Calculate mean values for molar mass, pKa, and Ka. Calculate % error and standard deviation: Unknown acid # 1 Molar Mass of unknown acid (calculated), g/mol Group #1 Group #2 Group #3 Group #4 Reaction Initial conc. / M: Change in conc. at equilibrium / M: Equilibrium conc. / M: Acetic acid | Molar Mass, g/mol: 60.05 | pka = 4.76 Accepted Values Molar mass, g/mol 60.05 Ka = Part II 1. Using initial molarity of acid and measured pH of the acid before titration, build a RICE table and calculate the Ka of the acid. You can use examples 1, 2 (pp. 3-4) from the Manual (posted on Canvas) Initial Molarity of [HA], M 0.219 Initial pH of Acid pka = HA(aq) + H₂O(1) [HA] -X 58.8 57.4 60.4 61.0 58.4 59.2 59.7 59.3 1.13 0.01 [HA] + X 台 pH: H3O+ (aq) = 0 +X 2. Use the Henderson-Hasselbauch equation to perform the same calculation. +X pka 4.76 Ka = pka 4.78 5.00 4.64 4.89 4.62 4.68 4.82…