See Answer Our tutors have indicated that to solve this problem you will need to apply the Ka and Kb concept. Acid with values less than one are considered weak. calculated from your measured pH's. What is the kb of NaC2H3O2? 6 0 obj /Leading 101 ] are licensed under a, Measurement Uncertainty, Accuracy, and Precision, Mathematical Treatment of Measurement Results, Determining Empirical and Molecular Formulas, Electronic Structure and Periodic Properties of Elements, Electronic Structure of Atoms (Electron Configurations), Periodic Variations in Element Properties, Relating Pressure, Volume, Amount, and Temperature: The Ideal Gas Law, Stoichiometry of Gaseous Substances, Mixtures, and Reactions, Shifting Equilibria: Le Chteliers Principle, The Second and Third Laws of Thermodynamics, Representative Metals, Metalloids, and Nonmetals, Occurrence and Preparation of the Representative Metals, Structure and General Properties of the Metalloids, Structure and General Properties of the Nonmetals, Occurrence, Preparation, and Compounds of Hydrogen, Occurrence, Preparation, and Properties of Carbonates, Occurrence, Preparation, and Properties of Nitrogen, Occurrence, Preparation, and Properties of Phosphorus, Occurrence, Preparation, and Compounds of Oxygen, Occurrence, Preparation, and Properties of Sulfur, Occurrence, Preparation, and Properties of Halogens, Occurrence, Preparation, and Properties of the Noble Gases, Transition Metals and Coordination Chemistry, Occurrence, Preparation, and Properties of Transition Metals and Their Compounds, Coordination Chemistry of Transition Metals, Spectroscopic and Magnetic Properties of Coordination Compounds, Aldehydes, Ketones, Carboxylic Acids, and Esters, Composition of Commercial Acids and Bases, Standard Thermodynamic Properties for Selected Substances, Standard Electrode (Half-Cell) Potentials, Half-Lives for Several Radioactive Isotopes, https://openstax.org/books/chemistry-2e/pages/1-introduction, https://openstax.org/books/chemistry-2e/pages/h-ionization-constants-of-weak-acids, Creative Commons Attribution 4.0 International License. Direct link to this balanced equation: Instructions on balancing chemical equations: 5 days ago. 3H2O],,100mL ,10mL,, ***(***) :5%() : /Subtype /Type1C You'll get a detailed solution from a subject matter expert that helps you learn core concepts. Is C2H3O2 an acid or base? - Answers %PDF-1.2 Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . (Hide this section if you want to rate later). 3 Answers. National Library of Medicine. % Table of Solubility Product Constants (K sp at 25 o C). NaC2H3O2 knowing that the pH is 9.1. also please Confirm or deny that the expression for the equilibrium constant derived from the Net ionic equation for hydrolysis is ( [HC2H3O2] [OH^-] ) / [C2H3O2] 2. Describe a real-life example of a conflict over a natural resource. True or false. Expert Solution. Question 21 (4 points) a = 1. b = 2 10 9. It will dissociate to NH4+ and C2H3O2- When joined with a Hydrogen to form CH3COOH, it is Acetic Acid, The KB value is listed below: pKa + pKb - 14 pKa = -log10 (Ka), Ka of acetic acid = 1.8*10^-5 pKa = 4.74, pkb = 9.255 9.255 = -log10(Kb), Kb = 5.56*10^-10 656 656 656 656 656 656 868 597 534 534 534 534 285 285 285 285 /Widths [ 202 268 397 550 555 880 678 205 314 314 454 596 260 322 260 331 Strong acids are listed at the top left hand corner of the table and have Ka values >1 2. Given HC2H3O2 is acetic acid,CH3COOH, and the dissociation of acetic acid is shown below CH3COOHCH3COO. /FontName /FJCPPC+Myriad-Bold 338 260 260 454 454 338 500 1000 300 867 434 270 868 338 338 603 >> Write the net ionic equation for the hydrolysis of Na 2CO 3. or numbers? Consider the generic acid HA which has the reaction and equilibrium constant of. If a solution initially contains 0.250M HC2H3O2, what is the equilibrium concentration of H3O+ at 25C? If you are redistributing all or part of this book in a print format, f HCO3- is 5.6*10^-11 Kb = 1.0*10^-14 / 5.6*10^-11 Kb = 1.79*10^-4 So Kb value of CO3^2- is 1.79*10^-4, Posted Log in or register to post comments; Similar Questions. It's silly to not give you the K_b value for ammonia. It is used in making white lead in medicines and as a mordant in dyeing. 5.97E-10. Who are the experts? Here is what I did: K3PO4(aq) + Ca(C2H3O2)2 --> KC2H3O2 + Ca3PO4 3K+ + PO4-3 + Ca+2 2(C2H3O2-) --> K+ +, Calculate the final molarity of acetate anion in the solution. Solution : Ka*Kb = Kw Kb = Kw/Ka Ka of HC2H3O2 is 1.8*10^-5 So Kb = 1.0*10^-14 / 1.8*10^-5 Kb = 5.56*10^-10 So Kb value of HCO3- is 5.56*10^-10 Ka value. You'll get a detailed solution from a subject matter expert that helps you learn core concepts. KaKb = Kw. Let us help you simplify your studying. Start studying CHM Ch.11. Sheep Dnd 5e, As a result of the EUs General Data Protection Regulation (GDPR). BOH B + + OH . are not subject to the Creative Commons license and may not be reproduced without the prior and express written Antidepressant Brain Fog Reddit, 12 0 obj Creative Commons Attribution License Calculate the Kb values for the CO32- and C2H3O2- ions using the Ka values for HCO3- (4.7 x 10-11) and HC2H3O2 (1.8 x 10-5), respectively.
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