Answered: What is the ratio of lactic acid (Ka =…

What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =4.09? Write your ratio out as a number containing a decimal. [lactic acid][lactate] =

Organic Chemistry

9th Edition

ISBN:9781305080485

Author:John E. McMurry

Publisher:John E. McMurry

Chapter20: Carboxylic Acids And Nitriles

Section20.3: Biological Acids And The Henderson–hasselbalch Equation

Problem 5P: Calculate the percentages of dissociated and undissociated forms present in the following solutions:...

See similar textbooks

Related questions

Q: Find the value of Kb for the conjugate base of the following organic acids. a picric acid used…

A: Given: Ka for picric acid = 0.16 Ka for trichloroacetic acid = 0.20 We have to find the kb values…

Q: At 25 °C the Kb for benzoate, C6H5COO-, is 1.6 × 10-10. What is the Ka for its conjugate acid?…

Q: Which of the following statements is true about compounds X and Y? NH3 OH Y The solubility of the…

A: The conjugate base of a Brønsted-Lowry acid is the species formed after an acid donates a proton.…

Q: 1) Base 2) O 1. Lithium diisopropylamide in THF at -78 "C. O 2 NABH4 in methanol at room…

A: The question is based on the concept of organic reactions. We have to determine which of the given…

Q: What is the conjugate acid of H2PO4-1? Select one: a. H3PO4 b. HPO4-2 c. PO4-3 d. H4PO4+1

A: According to Bronsted- Lowry A conjugate acid is a substance that is formed when a base accepts a…

Q: What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =4.01? Write…

A: Given Ka = 1.37 × 10-4 pH = 4.01

Q: 1 of 20 An amino acid is dissolved in solution at a pH which is the same as its isoelectric point…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Litmus turns blue in a base. True or false

Q: Ethyne (HC‚CH) has a pKa value of 25, water has a pKa value of 15.7, and ammonia (NH3) has a pKa…

A: The pKa indicates the strength of acid, which measures how a proton is tightly bound to a Bronsted…

Q: write a chemical reaction showing what happens when 2-fluoro-2-methylpropane reacts with SbF5 (super…

Q: Show the reaction and equilibrium expression for the basic dissociation of trimethylamine. Given…

A: The pH is scale for determining the acidity of a solution. If the pH of a solution is below 7 then…

Q: G2– is a strong base. Calculate the following quantities for a 0.00379 M solution of G2–. [G2–]…

Q: Fill in the left side of this equilibrium constant equation for the reaction of hydrocyanic acid HCN…

A: Hydrogen cyanide reacts with water to given hydronium ions and cyanide ions. The equilibrium…

Q: 2. For the chemical equilibrium below: CH3CH2NH2 + H2O +CH3CH2NH3* + OH Ka = 2.31 x 10-1" a. Write…

Q: Which of the following will result in an acidic solution when dissolved in water? CaF2 PbCl2…

A: Acidic solutions are the ones in which there is the formation of cationic species in product.

Q: Bromocresol green Yellow to blue during weak acid to strong base( 5.70 pH, 9.8 mL), blue to yellow…

A: Neutralization reaction of methyl amine and nitric acid: CH3NH3++H2O↔H3O++CH3NH2 kb of methylamine:…

Q: Calculate the mass of 1.0 mmol nitro ester [2-(diethylamino)ethyl 4-nitrobenzoate] Mw: 266.3 g/mol

Q: Calculate the pH of a 1.8M solution of trimethylacetic acid.

A: Ka(acid dissociation constant) is the ratio of product of concentration of products raised to their…

Q: What is the pH (answer in 2 decimals) of a solution containing 0.25 M sodium formate (HCOONa) and…

Q: 0.12 mol of solid glucose (C6H12O6) is dissolved in 100. mL of water, what is the (w/w%)-(3 SF)

A: The concentration is the relative amount of the solute present in the solution. A solution may have…

Q: Calculate the ratio of ethyl amine (CH3CH2NH2) to the ethyl ammonium ion (CH3CH2NH3+) in a solution…

Q: What is the pH and % dissociation of a 0.007 M trimethyl acetic acid solution? K = 9.33 x10-6 Write…

Q: Water has a pKa of 15.7. Methane has a pKa of 48. Hydrofluoric acid has a pKa of 3.2. Acetic acid…

Q: Question 2 Which of the following statements are FALSE? Multiple answers: Multiple answers are…

Q: An aqueous solution of benzoic acid and sodium benzoate has a pH of 5.1. The dissociation constant…

A: Given, Dissociation constant(Ka) = 6.5x10-5

Q: Calculate the pH of a 0.2 M solution of an amine that has a pKa of 9.5

Q: What is the percent dissociation of acetic acid if the solution has a pH = 4.74 and a pK a = 4.74?…

Q: The pH of a 0.34M solution of 4-chlorobutanoic acid (HC,H¸0,C1) is measured to be 2.50. Calculate…

A: weak acid are those which does not dissociate completely to furnish Hydrogen ion

Q: 5) N-Methylbenzylamine CSHIN MW = 121.18 100 120 80 91 60 121 40 77 20 * 9 8 8 8 8 9 messicharge…

Q: 0.39 mol of solid glucose (C6H12O6) is dissolved in 100. mL of water, what is the (w/w%)-(3 SF)

A: The (w/w%) is to be calculated

Q: One component of sour milk is lactic acid (HC₃H₅O₃). What is the pOH of 0.30M lactic acid? (Ka =…

Q: Show by calculation the pH of 0.5 M acetic acid (CH3COOH) solution. (Ka of CH3COOH is 1.74X10-5

A: The question is based on the concept of pH of the solution. it is defined as a negative logarithm…

Q: Chemistry Based on their molecular structure between stilbene, isovanillin and trans cinnamic acid…

A: Stilbene is a hydrocarbon with two aromatic rings and a double bond. Isovanillin is an aldehyde with…

Q: C7H6O3 + C4H6O3 C9H8O4 + C2H4O2 the reaction has 3 acids in it; one reactant and both both…

A: An acid is the one which contains ionisable proton. Aspirin has molecular formula C9H8O4.

Q: A solution was prepared at 25°C in which the ratio of methylamine (CH3NH2) to the salt…

Q: The acid dissociation constant K, of trimethylacetic acid (HC (CH3),CO2) is! 9.33 x 10. Calculate…

Q: If the pKa for formic acid is 3.75 the ratio of formate (A) to formic acid (HA) at pH 4.15 is 5:1.…

A: Since you have posted a question with multiple subparts , we will solve the first three subparts for…

Q: Determine the pH of CH2ClCOOH ( which is a monochloroacetic acid solution that has a dissociation…

Q: Calculate the pH of a 0.05 mol dm-3 CH3COOH solution; the dissociation constant Ka for CH3COOH is…

A: We have given that Calculate the pH of a 0.05 mol/dm3 CH3COOH solution the dissociation constant…

Q: hemical 5-amino-2,3-dihydro-1,4-phthalazinedione, better known as luminol, is used by forensic…

A: Given: Mass of luminol = 12.0 g Volume of luminol solution = 75 mL = 0.075 L Molar mass of luminol…

Q: The pka of formic acid is 3.750. What is the Ka of formic acid?

A: The pKa value is the value used to indicate the strength of an acid. It is the negative logarithm of…

Q: Dicarboxylic acids have two pKa's. - For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

A: Dicarboxylic acids have two pKa's. For maleic acid (cis-2-butenedioic acid) these are pKa1 = 2.0,…

Q: Citric acid, a triprotic acid, has 3 pKa values (3.128, 4.761, and 6.396). What is the pKb of…

Q: Calculate the pH and the equilibrium concentration of C6H6O62- in a 6.39×10-2 M ascorbic acid…

Q: What is the Ka expression for this reaction? HC2H3O2(aq) + H2O(1) H30*(aq) + C2H3O2°(aq)

A: The equilibrium constant for the given expression is known as the acid dissociation constant (Ka).

Q: If I have a weak acid with a pKa of 4.65 what will be the relative ratio of [A-] to [HA] in the…

A: pKa of weak acid = 4.65 pH of acid = 4.00 The Relative ratio of [A-] to [HA] for a pH of 4.00 is to…

Q: Phenylacetic acid (C₂H₂CH₂COOH) has a K₂ of 4.9 x a 10-5. Calculate for the pH, pOH, [H+] and [OH-]…

Q: 9. Complete the following reactions: CH3 9. K Mn O4 9a) 4 (96 -Br OH 9c) Br (NAOH) In this greaction…

A: The oxidation or reduction reaction takes place in the presence of oxidising or reducing agent. The…

Q: Given the following information determine which of these acids is the strongest? Ka for boric acid…

A: Given : Ka and pKa values for some of the Compounds are given To find : strongest acid Solution :…

Q: Cholic acid, a compound called a bile acid, is converted to a bile salt in the body. Bile salts have…

A: Observing the given structure shows that bile salt contains polar groups at one end and long chain…

Question

What is the ratio of lactic acid (K_a = 1.37x10^-4) to lactate in a solution with pH =4.09?

Write your ratio out as a number containing a decimal.

[lactic acid][lactate] =

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

The Ka of formic acid (HCHO) is 1.8 x 10^-4. Calculate the pH with a solution that is 0.15 M in both HCHO and KCHO.
What is the ratio of lactic acid (Ka = 1.37x10-4) to lactate in a solution with pH =4.25? Write your ratio out as a number containing a decimal.
The Ka of formic acid (HCHO) is 1.8 x 10^-4. Calculate the pH with 0.15 M potassium formate (KCHO). Is KCHO an acidic, basic, or neutral salt?
Calculate the pH at 25°C of a 0.89M solution of trimethylammonium chloride CH33NHCl. Note that trimethylamine CH33N is a weak base with a pKb of 4.19 .Round your answer to 1 decimal place.
What is the ratio of concentrations of acetate ion and undissociated acetic acid in a solution that has a pH of 5.12? Ka= 1.8 x 10-5
1.95 grams of ethanolamine were dissolved in water, and the pH of the solution was adjusted with HCl until 62% of the molecules were in their protonated (conjugate acid) state. The pKa of ethanolaminium (the conjugate acid of ethanolamine) is 9.5. What is the pH of the final solution? Round your answer to one decimal place (e.g., 2.3) using standard rounding conventions for the last digit.
Given that the Ka value for acetic acid is 1.8 × 10−5 and the Ka value for hypochlorousacid is 3.5 × 10−8, which is the stronger base, OCl− or C2H3O2−?
When 0.1000mol of an unknown acid, represented by HA, are dissolved in enough water to make 1.000L of solution the resulting pH is 2.20. Calculate the value of Ka for HA. Calculate the pH of a solution made from dissolving 0.100mol of acetic acid (HC2H3O2) in enough water to make a 1.00L solution. The Ka of formic acid (HCHO2) is 1.7x10-4. Calculate Kb of the formate ion, CHO2- Determine the pH of a 1.0M solution of (CH3)3NHCl. Kb =6.3x10-5 for trimethylamine, (CH3)3N.
A monobasic acid has a neutralization equivalent of 136+/-1. This acid burns with a sooty flame and gives a negative test for nitrogen, sulfur, and halogens, and is insoluble in water and 5% NaOH. Give a possible structure for this monobasic acid.
What are the concentrations of pentachlorophenol and pentachlorophenate if a 0.2 mm pentachlorophenol solution is adjusted to a pH of 7.0? Also, determine a for these conditions. PKa of pentachlorophenol-4.75 at pH=7
The pKa of benzoic acid is 4.2 Using the Henderson Hasselback equation calculate the ratio of ionized to unionized benzoic acid at a pH of 9.6. The ratio [R-COOH] : [R-COO-] = 1.
1. The Ka of fluoroacetic acid is 2.5 x 10-3. Calculate the final [H+] if 1.250 molfluoroacetic acid partially dissociates in 1.00 L of water at 25 C.