The dihydrogen phosphate ion, H2PO4 –, is an amphiprotic substance. (a) Write a balanced equation representing the reaction of the acid, H2PO4– with the base, water. (b) Write the expression for Ka of H2PO4 –. (c) What does the term amphiprotic mean?

Q: The hydronium ion concentration of an aqueous solution of 0.591 M aniline (a weak base with the…

A: Given values -> Concentration of aniline = 0.591M Kb (aniline) = 4.3 × 10^-10

Q: Write the chemical equation and the Ka expression for theacid dissociation of each of the following…

A: a) The dissociation reaction of C6H5COOH is  C6H5COOH (aq) ------> C6H5COO- (aq) + H+ (aq) The…

Q: Derive equations that define a0, a1, a2 and a3 for the triprotic acid H3X

A: In the titration of acid H3X, changes in the concentration of various species can be visualized from…

Q: The pOH of an aqueous solution of 0.591 M caffeine (a weak base with the formula C3H10N,02) is

A:

Q: C. Complete the table: Acidic, basic, neutral [H;O'] [OH] pH 1.0 x 106 3.00 2.8 x 105M Neutral D.…

A:

Q: The value of K, for phenol (a weak acid) is 1.00×10-10. What is the value of K,, for its conjugate…

A: In this question given ka is 10-10 Kw=ka×kb

Q: Name the conjugate base of arsenic acid (H3AsO4).  What is its chemical formula?

A: There are different concept which tells about the nature of acids. According to Arrhenius concept,…

Q: Although BH3 and NH3 have similar chemical formulas, they exhibit opposite Lewis acid/base behavior.…

A: Lewis Acid - a species that accepts an electron pair and will have vacant orbital. Lewis base - a…

Q: 27G. A solution that is 0.010 M of the salt triethanolammonium bromide, (CaH,ONHJBr. (Kb, (CsH9OsN)…

A: Nature of salt: 1. If a salt is made by reacting strong base and strong acid then it's nature would…

Q: The substance trimethylamine is a weak nitrogenous base like ammonia. Write a net ionic equation to…

A:

Q: Would a 1.0 * 10-8M solution of HCl have pH 6>7, pH = 7, or pH <7?

A:

Q: The hydronium ion concentration of an aqueous solution of 0.428 M aniline (a weak base with the…

A: PH is  defined as the power of Hydrogen.it measure acidity, basicity or neutrality of aqueous…

Q: Which of the following has the highest acidity: pH 1, pH 5, or pH 9?

A: To find: Which pH has the highest acidity

Q: Chlorobenzene, C6H5Cl, is a key intermediate in the manufacture of dyes and pesticides. It is made…

A: Substances are classified into acidic or basic based on their nature. Acids are our substances with…

Q: What is the concentration of a solution of (a) KOH for which the pH is 11.89, (b) Ca(OH)2 for which…

A: We use the PH equation for calculation for H+ concentration.  Then apply Ionic  product  of water to…

Q: Phosphoric acid H3PO4 is a weak acid, where as hydrochloric acid is a strong acid. Explain how the…

A: A weak acid is defined as an acid which undergoes partial ionisation in aqueous solution. A strong…

Q: The value of Ka for phenol (a weak acid) is 1.00×10-10. What is the value of Kb, for its conjugate…

A:

Q: Rank the compounds in each of the following groups in order of increasing acidity or basicity, as…

A: (a)

Q: the pKa of the weak acid tha acid dissosciation constant, Ka of the monoprotic acid, HA

A: this is acid base titration. Weak Acid is HA and strong base is NaOH. When NaOH is added to HA…

Q: The pH scale measures the mumber of H- 1ons in a solution If there are a lot of H- ions, is the pH…

A: PH is defined as logarithm of concentration of H+ ion.

Q: The pOH of ammonium hydroxide at 25 C is 5.55. What is the pH and the [H ], [OH ] in mol/L for…

A: At constant temperature, the pH of a solution remains constant. For 250 C, the pH of the solution…

Q: Abbreviating malonic acid, CH2(CO2H)2, as H2M, find the pH and concentrations of H2M, HM, and M2…

A: a.

Q: Define concept of Acid Strength and pKa ?

A: Acid strength means the tendency of acid to dissociate into H+ and anion. The dissociation of strong…

Q: Rank the compounds in each of the following groups in order of increasing acidity or basicity, as…

A: a) HCl < HBr < HI  b) H2O < Cl- < OH- < H-

Q: The acid-dissociation constant, Ka, for gallic acid is 4.57x10-3. What is the base-dissociation…

A: Base dissociation constant is a constant which occur at the equilibrium in which base reacts with…

Q: A 0.050 M concentration of weak base, CH3CH2NH2, was found to ionize at 1.7%. What is the…

A: Interpretation: A 0.050 M concentration of weak base, CH3CH2NH2, was found to ionize at 1.7%. The…

Q: write a general rule that defines acid strength, using the concentrations of HA, H,O, A', and H,O*…

A: Strength of an acid is determined from its dissociation in water.

Q: Write the chemical equation and the Ka expression for the ionization of each of the following acids…

A: Given: Two compounds, (a) HBrO2 (b) C2H5COOH

Q: The pKw of seawater at 25°C is 13.776. This differs fromthe usual pKw of 14.00 at this temperature…

A: Given data contains, pKw of seawater is 13.776. pH in seawater is 8.00. Actual pKw of  water is…

Q: What is the dominant ionic form of phosphoric acid in a solution at pH 6.0?

A: Phosphoric acid is a triprotic acid with three dissociable protons and their pka are given as,

Q: is the salt C5H5NHBr acidic, basic, or neutral?

A: The reaction of acid with base results in the formation of salt and water. The general equation is…

Q: If you measure the pH of a carbonic acid solution to be 5.6, what is the concenration of the H3O+ in…

A: pH of carbonic acid=  5.6[H3O+ ] = ?

Q: The value of K, for acetic acid is 1.80x10-5. What is the value of K, for its conjugate base,…

A:

Q: Citric acid, which is present in citrus fruits, is a triprotic acid Is the concentration of citrate…

A: To find: Whether citrate ion is equal to, less than or greater than the H+ ion concentration.

Q: The Ka of citric acid is 1.9x10-5 at 25.0oC, what is the pH of a 0.30 M aqueous solution of citric…

A:

Q: The PH of a Oil M agueas sólutiom of Naz( the sodium salt of 2s 10,70: what is thie ha for Hz?

A: Given: Concentration of NaZ solution = 0.15 M pH of NaZ solution                   = 10.70

Q: Write the formula of the conjugate acid of the Brønsted-Lowry base caffeine, CSH10N4O2

A: Given that, Bronsted -Lowry base = C8H10N4O2 Conjugate acid = ?

Q: A 0.785M solution of the weak acid, hypoiodous acid, HOI, has a Ka of 2.32x10-11. What is the…

A:

Q: What is the concentration of a formic acid (HCHO,) solution with a pH = 3.15? The K, of formic acid…

A: given :- pH of solution = 3.15                Ka of formic acid = 1.8 × 10-4 to calculate :-…

Q: When hydrogen chloride reacts with ammonia ammonia chloride is formed. write the equation for this…

A:

Q: The hydronium ion concentration of an aqueous solution of 0.558 M isoquinoline (a weak base with the…

A:

Q: The first acid ionization constant of the oxoacid H;PO, is 8 x 10-2. What molecular structure do you…

A: H3PO2 is a monoprotic acid in aque.

Q: When SO2 dissolves in water to form sulfurous acid, H2SO3(aq), that acidcan donate a hydrogen ion to…

A: The balanced equation will be,SO2 (aq) + H2O (aq) → H2SO3  (aq) A Bronsted acid can donate a proton…

Q: Write the expressions for the acid dissociation constants for the three successive dissociations of…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: at 25 degrees celcous, the Ka of HCO2H is 1.77 x 10^-4. What is the Delta G naught in kj/mol for…

A: Given : Ka of HCO2H = 1.77 X 10-4  And temperature = 25 oC

Q: The hydroxide ion concentration of an aqueous solution of 0.429 N acetylsalicylic acid (aspirin),…

A:

Q: A)write expressions for pH and pOH of

A: (NH4) 2SO4  it is salt of weak base and strong acid , hence it under go hydrolysis…