Acetic acid is the principal ingredient in vinegar as shown; that's why it tastes sour. At equilibrium, a solution contains [CH3CO2H] = 0.0787 M and [H3 O+] = [CH3 CO2−] = 0.00118 M. What is the value of Ka for acetic acid? Key FoodQUALITYDISTILLEDWHITE VINEGARREDUCED WITH WATER TO SACDINNET IGAL (3-78L)Figure 14.11 Vinegar is a solution of acetic acid, a weak acid. (credit: modification of work by “HomeSpotHQ"/Flickr)

An acid dissociation constant (Ka) is the equilibrium constant for a chemical reaction which is…

Key Food QUALITY DISTILLED WHITE VINEGAR REDUCED WITH WATER TO SACDIN NET IGAL (3-78L) Figure 14.11 Vinegar is a solution of acetic acid, a weak acid. (credit: modification of work by “HomeSpot HQ"/Flickr)

Key Food QUALITY DISTILLED WHITE VINEGAR REDUCED WITH WATER TO SACDIN NET IGAL (3-78L) Figure 14.11 Vinegar is a solution of acetic acid, a weak acid. (credit: modification of work by “HomeSpot HQ"/Flickr)

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter48: Human Impacts On The Biosphere

Section: Chapter Questions

Problem 4CT

See similar textbooks

Related questions

Q: The enzyme urease is widely used for determining urea concentration in blood. The Michaelis constant…

A: Given Values: Km=2 mMk2=2.8×104 s-1V=3.49 M/secET=0.34 mM = 0.34×10-3 M

Q: Cocaine (C17H21O4N; Figure 2) is a natural substance found in leaves of the coca plant, which have…

A: Given: The density of the hydrochloride salt of cocaine = 2.50 kg/L The density of pure cocaine =…

Q: Calculate the normality of a solution that contains 4.5 g of (COOH)2 in 3000 mL of solution? (Assume…

A: The concentration of the solutions is measured by different methods like finding molarity,…

Q: Given the curves below, what are the dissociation constants for proteins A and B? 100 80- 60 40 20 0…

A: Kd is dissociation constant which is equal to ligand concentration at half maximum saturation of…

Q: Calculate the pH for a mixture of 0.5 mole of benzoic acid and one mole of sodium benzoate. The pK,…

A: The correct answer is option,g. = 4.2

Q: Consider the following dipeptides: TY SW HF LC LR How many of the dipeptides in this group that…

A: Amino acids are monomers that make up peptides. Amino acids found in proteins are α-amino acids.…

Q: Describe, stepwise, how you would prepare 0.5 L of a 0.15 M phosphate buffer, pH 12.5, using…

A: The equilibrium between the weak acid and its conjugate base allows the solution to resist changes…

Q: Determine the values of Km and Vmax for the decarboxylation of β-keto acid given the following data.…

A: Those classes of proteins that mainly act as a catalyst in the living body by increasing the rate of…

Q: Assuming equal concentrations of conjugate base and acid, which one of the following mixtures is…

A: Buffers are the solutions that resist the change in pH after the addition of a small amount of acid…

Q: hat mass of sodium glycolate (NaC2H3O3) should be added to 400.0 mL of 1.00 M glycolic acid to…

A: We have given [ C2 H4 O3 = 1.00 , Volume= 4.00mL, pH=4.0

Q: What are the components of a lysine buffer at pH 9.2? Refer to the following forms of lysine: A H D…

A: Lysine is a basic amino acid with an amino group in its side chain. Lysine is an important amino…

Q: The concentration of acetic acid (pKa = 4.75) in vinegar is about 1.0 M. What is the pH of vinegar?

A: The pH of a solution is defined as the negative logarithm of the H3O+ ion concentration in moles per…

Q: As a technician in a large pharmaceutical research firm, you need to produce 200. mL of 1.00 M…

A: Given Values: pH of the potassium phosphate buffer required = 6.96 pKa value of the potassium…

Q: 2. 500 ml of a 0.1 M sodium phosphate buffer with pKa = 7.21, is diluted a) How would you dilute…

A: Normality is described as the number of gram or mole equivalents of solute present in one liter of a…

Q: For an acid HA, the concentrations of HA and A are 0.075 and 0.025, respectively, at pH 6.0. What is…

A: The value of pKa is used to indicate the acid strength. pKa is a negative log of Ka value or the…

Q: NaCl (Mr = 58.443 g/mol) 2.5 M Tris-Cl, pH 8 oplossing / solution (1 Litre) EDTA, sodium salt…

A: We determine the NaCl (grams) needed: 15x10-3 mol/1000 mL x500 mL x58.433 g/1 mol = 0.438 g…

Q: What volume of 0.1M NaOH (reagent) needs to be added to increase your 7.5 pH (buffer) by 0.5 pH…

A: The buffer is a species which resist any change in pH on adding small amounts of an acid or base in…

Q: Assuming the molar extinction coefficient for para-nitrophenyl phosphate (PNP) is 55,290 mol "dm…

A: Given Values: ε=55290 c = ?A = 0.77 l = 1.5 cm

Q: At 39.9ºC, a solution of ethanol (XetOH = 0.9006, P * etOH = 130.4 Torr) and isooctane (P * iso =…

A: Raoult's law is generally a chemical law that states that the vapor pressure of a solution is basedc…

Q: You have a 75 mM stock solution of a drug with the formula CisH1,N2O2l. A doctor has prescribed 230…

A: Drug calculation is a procedure in pharmacology in which the concentration of the drug is…

Q: What is the Isoelectric point of Y-R-S (pH 7-11) What is the isoelectric point of N-G-L (pH 1-5)

A: Isoelectric point (PI) is the pH at which the molecule has no net electrical charge. Each amino acid…

Q: A 0.578-g saltwater sample was titrated with 1.864 g AgNO3 solution to reach the endpoint of the…

A: AgNO3 and saltwater titration Weight of AgNO3 = 5g In 100 ml water solution is made. 1.864 g AgNO3…

Q: Suppose a 500.mL flask is filled with 1.7mol of H2 and 0.20mol of HCl. The following reaction…

A: The chemical equilibrium is the state in which both the reactants and products are present in…

Q: 1. Differentiate the following: a. pH from pOH…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Consider the following dipeptides: AC HE TG LR VK How many of the dipeptides in this group that…

A: An ion-exchange column is a chromatography method to separate molecules based on charge. An anion…

Q: What is the concentration of acetazolamide (B), in a 0.5000 M solution of acetazolamide (B)? What…

A: Acetazolamide is an FDA approved medicine which is used in treatment of several illnesses like…

Q: One liter of a 0.1 M Tris buffer (pKa of Tris = 8.3, see Table 2.4) is prepared and adjusted to a pH…

A: Given Values: pKa of tris = 8.3 pH of the buffer = 2.0

Q: Describe the preparation of 2.00 L of 0.100 M glycine buffer, pH 9.0, from glycine and 1.00 M NAOH.…

A: Glycine-Sodium hydroxide buffer is a common buffer which has good buffering capacity. This buffer…

Q: The decomposition reaction of atmospheric peroxyacetylnitrate (PAN) to products was studied, and the…

A: Multiple subparts asked. I will answer the initial 3 subparts, as allowed by guidelines. Arrhenius…

Q: You have been provided with stock solutions of: stock A: 0.06 M sodium pyrophosphate buffer pH…

A: Buffer preparation fro stock solution: The formula used for buffer preparation from stock solution…

Q: Write the chemical equation for the reaction of carbonic acid (H,CO,) with water. chemical equation:…

A: An acid dissociation constant Ka is a quantitative measure of the strength of an acid solution and…

Q: Suppose you wanted to make a buffer of exactly pH 7.00 using KH2PO4 and Na2HPO4. If the final…

A: The buffer solution is a solution which resists any change in pH on addition of small amounts of…

Q: Consider a buffer solution that contains 0.55 M NH2CH2CO2H and 0.35 M NH2CH2CO2Na.…

A: NOTE: since you have asked multiple question, we will solve the first question for you. if you want…

Q: An aqueous solution contains 0.448 M dimethylamine ((CH3)2NH). How many mL of 0.240 M hydroiodic…

A: Buffer solution contains a mixture of weak acid and its conjugate base or weak base and its…

Q: What is the molality of the following solutions? a. 171.9 g of Sr(NO3)2 is dissolved in 1.44 kg of…

A: Introduction Molar mass of Strontium nitrate [Sr(NO3)2] =87.62+ 2×14.01+ 6×16=211.63 g/molnumber of…

Q: Describe the preparation of 2.00 L of 0.100 M glycine buffer, pH 9.0, from glycine and 1.00 M NaOH.…

A: Molar concentration is a measure of the concentration of a chemical species, in particular of a…

Q: Gentiobiose has the molecular formula C12H22O11 and has been isolated from gentian root and by…

A: Disaccharides are sugars composed of 2 monosaccharide units bonded together via a O or N- glycosidic…

Q: What is the theoretical yield of hydrochloric acid ? grams What is the percent yield of…

A: Actual yield :- Amount of product produced actually after the reaction is complete. Theoretical…

Q: TE buffer consists of 10 mM of Tris-Cl, pH 7.6 and 1mM of EDTA, pH 8.0. You need to prepare 3L of TE…

A: Given Values: The concentration of the stock solution of Tris-Cl = 500 mM The concentration of the…

Q: (a) (' . Hill plots. Label the axes and indicate on both the plot above and the Hill plot where the…

A: We know that nitrous oxide are anesthetic gas that are used during surgery and are non volatile in…

Q: Using the Friedewald equation, compute for the LDL-chol. of the patient.Use the mmol/L, so, if you…

A: 3 types of cholesterol makes up the Total Cholesterol (TC) content in our body. These are High…

Q: Based on the Henderson-Hasselbalch equation (shown below), calculate the pH when half of a solution…

A: A buffer is a aqueous solution which is used to resist the pH change upon addition of acid or base.…

Q: Based on our pka's table, pKa1 of -COOH group of Cys = 1.71 pKa2 of -NH2 group of Cys = 10.78…

A: pKa is defined as the number which indicates the acidity of the particular molecule. It shows the…

Q: Compare the solubility of lead carbonate in each of the following aqueous solutions: Clear All 0.10…

A: Solubility of lead carbonate in Pb(CH3COO)2 and (NH4)2CO3 is less than it's solubility in water. As…

Q: Calculate the [OH] and the pH of a solution with an [H] = 5.6 x 10-10 M at 25 °C. [OH] = pH =…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Concanavalin (ConA) is a 25.5KDa protein with pl of 4.7 and optical absorbance (A 0.1% 289) of 1.14.…

A: Proteins are polymers of amino acids with specific molecular weight and pI (isoelectric point, pH at…

Q: You are supplied with the following: NaCl (Mr = 58.443 g/mol) 250 mM Tris-Cl, pH 8 solution (1…

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

Q: Based on the Henderson-Hasselbalch equation (shown below), calculate the pH when the ratio of acetic…

A: Henderson-Hasselbalch equation is used to calculate the pH of a buffer solution when the pKa value…

Q: Calculate the boiling points of a 8.50 m aqueous solution of fructose. Boiling point constants can…

A: Formula for boiling point: ∆Tb=Kbmwhere,∆Tb= change in boiling pointkb= boiling point constantm=…

Q: Compare the solubility of lead carbonate in each of the following aqueous solutions: Clear All 0.10…

A: Solubility of lead carbonate in Pb(NO3)2 and K2CO3 will be less than it's solubility in pure water.…

Question

Acetic acid is the principal ingredient in vinegar as shown; that's why it tastes sour. At equilibrium, a solution contains [CH₃CO₂H] = 0.0787 M and [H₃ O⁺] = [CH₃ CO₂⁻] = 0.00118 M. What is the value of Ka for acetic acid?

Key Food
QUALITY
DISTILLED
WHITE VINEGAR
REDUCED WITH WATER TO SACDIN
NET IGAL (3-78L)
Figure 14.11 Vinegar is a solution of acetic acid, a weak acid. (credit: modification of work by “HomeSpot
HQ"/Flickr)

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, biology and related others by exploring similar questions and additional content below.

Similar questions

salinity of water and oxygen consumption graph independent and dependent varaible
The adaptations of desert animals to their environmentinclude water conservation mechanisms. A number of theseorganisms conserve water so successfully that they neveractually drink it. They depend instead on water generatedduring metabolism. Determine how much water can beobtained by the oxidation of 1 mole of palmitic acid.
. Compared with a basic solution at pH 9, the same volumeof an acidic solution at pH 4 has _________ times as manyhydrogen ions (H+).
What's mendes law
I’m stu k in both question please Q 1. To make 500 mL of 1x Buffer, measure ANSWER mL of 10x stock and add ANSWER mL water to make the total volume ANSWER mL. This is a 1: ANSWER Dilution. Q2 You have a 1 g/mL stock solution of protein. To make 100mL of 200 mg/mL solution, add ANSWER mL of stock and ANSWER mL of water for a final volume of ANSWER mL. (HINT: Convert units)
Continuous sampling and analysis of samples is carried out with the aim of…a. Meet the needs of related partiesb. Knowing the source of pollutionc. Monitoring the concentration of chemical parameters in the environment of interestd. Advanced research When we have data on the initial and final dissolved oxygen incubation in a water sample, we can determine the value of…a. Totally organic ingredientsb. Biological oxygen demandc. Acidityd. Turbidity
On a hot summer day, you decide to dive into a swimming pool.Before you begin your dive, you notice the surface of the water issmooth and continuous. After the dive, you discover that somewater droplets are clinging to your skin and that your skin temperature feels cooler. Explain these observations based on theproperties of water.
What’s NewActivity 4.1: Answer it brieflyWhy is potential Hydrogen (pH) important to Biology?
Make a graph of microbial growth from each of the data available in the table separately Im needed max in 30-45 minutes thank u...
A water quality control board reports that water is unsafe for drinking if the proportion of nitrate concentration exceeds 21% ppm. Water specimens are taken from a well. ?o: ??:
Connect the optimum ph each emzine to their location in the body
Why is water measure in pharmaceutical products essential? answer at your own words and answer should be to the point, not any irrelevant words