Calculate the pH of a 1.51 mol/L solution of hydrofluoric acid. The pKa of HF is 3.17. Calculate the pH of a buffer solution that is 0.40 M in both HC2H3O2 and NaC2H3O2. Between benzoic acid and acetic acid, which is a stronger acid without looking to pKa value? Why ...
Acetic acid, with a pKavalue of 4.74, is approximately 15 times more acidic compared with acetone, with a pKavalue of 20. Why? ANSWERS OPTIONS A Acetic acid's conjugate base is more stabilized by electronegative oxygen than acetone's conjugate base....
The lower the pKavalue,the stronger the acid. For example, the pKa of acetic acid is 4.8, while the pKa of lactic acid is 3.8. Using the pKa values, one can see lactic acid is a stronger acid than acetic acid. The reason pKa is used is because it describes acid dissociation using s...
醋酸的pKa值约为4.76,说明它在水中部分解离为醋酸根离子和氢离子。(Acetic acid has a pKa value of approximately 4.76, indicating that it partially dissociates into acetate ions and hydrogen ions in water.) 了解药物的pKa值对于预测其在不同pH值环境下的溶解性和吸收率至关重要。(Understanding the pKa ...
pka Table - pKa is an acid dissociation constant used to describe the acidity of a particular molecule. Its value is directly related to the structure of the given compound.
pKa - The pKa value is the negative base -10 logarithm of the acid dissociation constant (Ka) of a solution. The quantitative behavior of acids and bases in solution can be understood only if their pKa values are known. To learn more about Calculation o
Itaconic (1-Propene-2-3-dicarboxylic acid) 3.85, 5.45 2 Chloromaleic 1.72, 3.86 2 Aliphatic Alicyclic Dicarboxylic acids Compound pK Ref Compound pK Ref 1,2-trans-Cyclopropane- cis-Ethyleneoxide- dicarboxylic 3.65, 5.13 2 dicarboxylic 1.94, 3.92 2 ...
pKa Values INDEX Inorganic2Phenazine24 Phosphates3Pyridine25 Carboxylic acids4, 8Pyrazine26 Aliphatic4, 8 Aromatic7, 8Quinoline27 Phenols9Quinazoline27 Alcohols and oxygen acids10, 11Quinoxaline27 Amino Acids12Special Nitrogen Compounds28 Peptides13Hydroxylamines28 Nitrogen Compounds14Hydrazines28 Aliphatic ...
化学数值大全pKa.pdf,pKa Data Compiled by R. Williams 1 pKa Values INDEX Inorganic 2 Phenazine 24 Phosphates 3 Pyridine 25 Carboxylic acids 4, 8 Pyrazine 26 Aliphatic 4, 8 Aromatic 7, 8 Quinoline 27 Phenols 9 Quinazoline 27 Alcohols and oxygen acids 10, 1
N-diacetic acid 5.58, 11.05 Furfurylamine 8.89 2-(2-hydroxypropylamino)-ethylamine 6.94, 9.86 2-(3-hydroxypropylamino)ethylamine 6.78, 9.76 N-Methylaminoacetic acid 2.24, 10.01 Methyl-α-amino-β-mercaptoproionate 6.56, 8.99 N-n-propylethylenediamine 7.54, 10.34 1,2,3-triaminopropane 3.72, ...