Question

If the monoprotic acid HAb has a pK of 4 and a solution is adjusted to pH9:
A) what is the concentration of hydrogen ions in that solution?
B) what is the ratio of Ab- to HAb?

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Chemistry

Related Chemistry Q&A

Find answers to questions asked by students like you.

Q: What is the change  in the enthalpy at 25*C and 1 atm for the production of 3.00 mol SnO(s)?  Sn(s) ...

A: The given balanced chemical equation is

Q: If 54.7 grams of propane (C3H8) and 89.6 grams of oxygen (O2) are available in the balanced combusti...

A: limiting reactant:The limiting reactant is the reactant that limits the amount of other reactant tha...

Q: When blue food coloring is dissolved in water, the result is a ________? a. homogeneous mixture call...

A: When particles moves from higher concentration to lower concentration than diffusion occurs. The pro...

Q: Predict the ratios of products that result from chlorination of isopentane (2-methylbutane). please ...

A: The percentage and name of monochlorinated products formed in the chlorination of 2-methylpentane ar...

Q: An antacid tablet weighing 0.853g contained calcium carbonate as the active ingredient, in addition ...

A: A balanced equation for the above reaction can be written as,

Q: Which of the following bonds would be the most polar? a. C-Br b. C-I c. Cl-Cl d. C-F

A: The difference in electronegativity between the two atoms of the bond determines the polarity of the...

Q: The proposed mechanism for a reaction is NO + O3 => NO3 + O      Fast NO3 + O => NO2 + O2     ...

A: Click to see the answer

Q: What do the Roman Numerals represent in the naming system?

A: Roman numerals are used while naming a compound containing transition metals. Roman number is given ...

Q: Where does the earth receive most of its energy? a. internal fusion b. external fission c. internal ...

A: "Thermonuclear fusion is the energy source of our sun, which is, in turn, the ultimate energy source...

Q: Project 2: Food Dye Spectroscopy   Which scale is most useful for reporting data from the spectromet...

A: Food Dye Spectroscopy uses UV spectroscopy for analysis.  The two scales used in for analysis is per...

Q: Given the following reaction CH3NNCH3(g) ==> C2H6(g) + N2(g) and the measured kinetic data below:...

A: The rate law of a reaction expresses the relationship between the concentration of the reactant spec...

Q: Label each substance as an Arrhenius acid, Arrhenius base, or neither.   HNO3(aq)            Arrh...

A: Arrhenius acids are the compounds which can donate hydronium ion, thus will increase the concentrati...

Q: In the electron transport chain, the hydrogen ions enter the inner compartment of mitochondria throu...

A: For aerobic respiration, the electron transport chain is embedded in the inner membrane of the mitoc...

Q: Write the correct name or formula for each Arrhenius acid or Arrhenius base.  For formulas, please i...

A: (a)Arrhenius acid – forms H+ ions in water.Given formula is H2SO4(aq)The name of the given formula i...

Q: What is the value of delta G at 120.00 C for a reaction in which delta H = 5.0kj/mole and delta S = ...

A: The equation given below helps us to calculate the change in free energy in a system.

Q: Section EXERCISE 16 PROBLEMS-PART III (English Units) Assume that a parcel of air is forced to rise ...

A: Hi there! The question posted by you does not specify the question number that needs to be answered....

Q: Calculate the pH of a .05 M solution of HCl(aq)?

A: Generally, a strong acid fully dissolves, the concentration of [HCl] equals to the [H+] (H3O+) conce...

Q: When 1.623 x 10-2 mol of NH3 and 1.623 x 10-2 mol of O2 are introduced into a 2.035 L reaction vesse...

A: The initial concentration of ammonia and oxygen are calculated as,

Q: 5. In CIF3, the electron pairs are arranged about the chlorine atom in a. a square plane. b. a tetra...

A: The electronic configuration of chlorine and fluorine atoms in ClF3 is written as follows:

Q: https//www-awn.aleks.com/alekscgi/x/lsl.exe/1o_u-lgNslkr7j8P3jH-li0PlvTr4JIONkR4HHkf0EVFNj8DKUvK19KA...

A: Ions are produces when, ionic substances dissolved in water like polar solvents. In these proses sol...

Q: Fill in the missing mass number and atomic number for each of these particles or types of radiation....

A: Alpha particle is a helium nucleus.  When a nucleus emits alpha particles, it undergoes decrease in ...

Q: Why will nuclear fission probably not be used directly for powering automobiles? a. It's more practi...

A: Nuclear fission - It is a nuclear reaction in which the nucleus of  radioactive  atom splits into sm...

Q: I don't even know what lithium dicyclohexylcuprate looks like and I can't seem to find it on the int...

A: Acetophenone reacts with butyllithium to give vinyl alcohol.

Q: One Liter of buffer at pH of 4.30 contains 0.33 M of sodium benzoate and 0.26 M of benzoic acid. Wha...

A: A buffer solution refers to an aqueous solution in which that consists of a mixture of a mixture of ...

Q: X X Experimer 0 Mail Dirk X Experiment 10 B Homepag G sodium + + Yuzu: Safe X https://www.the colleg...

A: Solution for sodium chloride solute :First we have to calculate the mass of sample.

Q: How would you classify the following material? coffee (black) a. solution b. an element c. suspensio...

A: A solution contains two or more substances of uniform particle size.  It is a homogeneous mixture.A ...

Q: A solution is made that is 1.5×10−3 M in Zn(NO3)_2 and 0.180 M in NH3. After the solution reaches eq...

A: Write a balanced equation for the given reaction.

Q: the adult dosage of elixophyllin is 6 mg/kg. calculate the dose in milligrams for a 150lb person

A: The relation between lb and kg is shown as follows:1lb = 0.4536 kgThe conversion factor used to conv...

Q: Which of the following reactions will occur spontaneously as written?   A. 3Fe2+(aq) + Cr3+(aq) -&gt...

A: The relationship between ΔGo and Eo is shown below,ΔGo = -nFEo

Q: Which of the following bonds would be the most polar? a. C-Br b. C-I c. Cl-Cl d. C-F

A: The most polar bond among the given options  is to be selected-a. C-Brb. C-Ic. Cl-Cld. C-F

Q: Lit CH3I LDA) CH3I C12 Hcl /H2O LDA 2) Br

A: LDA is strong and bulky base used for the formation of enolate ion. Cyclohexanone reacts with LDA re...

Q: Identify each as a strong electrolyte, weak electrolyte, or nonelectrolyte: a. Al2(CO3)3            ...

A: Electrolytes are the substances which ionize in water to give component ions. The ions are positive ...

Q: CS2(l) + 4H2(g) CH4(g) + 2H2S(g) This reaction occur spontaneously as written when all reactants and...

A: The standard Gibbs free energy of given reaction is determined as,

Q: What is the hybridization of the oxygen atom in water? 1. sp2 2. sp3d 3. sp3 4. sp3d2 5. ...

A: Number of bonding groups in water is two.Number of lone pairs in water is two.

Q: 2. What is the molecular geometry around an atom in a molecule or ion which is surrounded by five si...

A: VSEPR theory helps us to predict the shape and geometry of the molecules or ion. According to the VS...

Q: A student is given 1.525 g of pure CuO. To recover the Cu present in the compound, the dark powdery ...

A:                                               CuO + 2 HCl ------> CuCl2 + H2O As per the balanced...

Q: The equilibrium constant, Kp, for the following reaction is 6at 698 K.H2(g) + I2(g) 2HI(g)If ΔH° for...

A: To calculate Kp at 603 K, the following expression can be used,

Q: What is a valence electron and why are they important to a chemist, and there for all of life?

A: Valence electrons are the electrons in the outermost energy level of an atom in the energy level tha...

Q: Draw the Lewis Dot structure for PBr3 (on paper, not on Canvas) then answer the questions. a. How ma...

A: The Lewis structure of PBr3 is given by,

Q: when drawing melting point composition diagram for a mixture of something such as cinnamic acid and ...

A: The melting point composition diagram for mixture cinnamic acid and urea depicts the comparison betw...

Q: Anaerobic respiration occurs in the _____________ of oxygen and produces _____________ energy (ATP) ...

A: Anaerobic respiration: Anaerobic respiration is the process where cells that do not take up oxygen p...

Q: 6. Determine the ionization energy for the hydrogen atom. The ionization energy is the energy necess...

A: Applying Bohr’s equation for the energy levels of hydrogen atom, the change in energy when an electr...

Q: Dcc/EN ok Amme Prodechmg Group GMNCI Br Na CEN CEN hosH T 2-2

A: Product of the reaction has to be identified.(a) Protected amino acid reaction with DCC (N,N'-Dicycl...

Q: uestions 1. Why was sodium chloride added to the tea solution before extracting with ethyl acetate? ...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...

Q: If the daily allowance for Vitamin C is assumed to be 75.0 mg, how many liters (L) of a 0.002154 M s...

A: The number of moles of vitamin C(ascorbic acid) is calculated as,

Q: what is the correct name of Au3(PO2)2

A: Oxidation number of Au is determined as given below.

Q: In general terms, please describe how to carry out a recrystallization. Just give the steps that sho...

A: Recrystallization is a slow process by which a solid organic compound can be purified. In this proce...

Q: Food dye spectroscopy  2. At what wavelengths should the readings be taken? What instrumentation wil...

A: Dyes are coloured substances so they are generally analysed in the visible region (400 nm to 800 nm)...

Q: 3 & 4

A: Click to see the answer

Q: (3) According to Charles’ law, if the volume of a container of a gas is doubled, at constant pressur...

A: Hey, since there are multiple questions posted, we will answer first question. If you want any speci...