Calculate the pH and the pOH of each of the following solutions at 25 °C for which the substances ionize completely:(a) 0.000259 M HClO4(b) 0.21 M NaOH(c) 0.000071 M Ba(OH)2(d) 2.5 M KOH

Q: If weak acids ionize only a few percent in aqueous solution, why is it possible to fully neutralize…

A: Concept:  Weak acid: Weak acids are acids which don't completely dissociate in solution. In other…

Q: The pH of black tea is 5.5, while the pH of Coke is 2.5. Which of the following correctly describes…

A: To know the concentration of H+ ion , pH scale is introduced  Negative logaritham of H+ ion…

Q: The pOH of an aqueous solution of 0.552 M ammonia is .

A: pOH is defined as negative logarithm of hydroxyl ions.

Q: d. During the fermentation of wine, a buffer system consisting of tartaric acid and potassium…

A: Given that, during the fermentation of wine, a buffer system consisting of tartaric acid and…

Q: Calculate the equilibrium concentrations of all chemical species present in a 0.10 M H2CO3(aq)…

A: Dissociation of H2CO3 takes place as follows: Since H2CO3 is a weak acid, thus x can be neglected…

Q: The pH of an aqueous solution of 0.223 M sodium hypochlorite, NaCiO (aq), is This solution is (

A:

Q: The pH of an aqueous solution of 0.124 M ammonium nitrate, NH,NO3 (aq), is This solution is

A: NH4+ ion released H+ ion in water so concentration of H+ ion is  [H+] = √(Kw × C / Kb )  Where, Kw =…

Q: The pH of a solution containing a [H3O+] = 3.40 x 10 negative 5 M, is:

A: pH is a scale to measure the concentration of hydrogen ions. The negative logarithm of hydrogen ion…

Q: The pH of an aqueous solution of 0.134 M sodium fluoride, NaF (aq), is This solution is

A: Answer:- This question is answered by using the simple concept of calculation of pH of aqueous…

Q: Determine both the pH and the % ionization of a 0.53 M hypochlorous acid, HCIO, solution at 25°C.…

A: The given data is as follows: The concentration of HClO = 0.53 M The value of Ka for HClO = 2.9×10-8…

Q: The pH of an aqueous solution of 0.0916 M ascorbic acid, H2C,H,06 (aq), is

A: pH = −log [H+] Where, [H+] is molar concentration of the H+ ion.

Q: The pOH of an aqueous solution of 0.435 M nitrous acid is

A: Formula used :-  pOH = -log[OH]-

Q: The pOH of an aqueous solution of 0.354 M acetylsalicylic acid (aspirin), HC9H7O4, is

A:

Q: The pOH of an aqueous solution of 0.428 M acetylsalicylic acid (aspirin), HC9H7O4, is

A: Aspirin is a monoprotic weak acid with formula HC9H7O4. Hence it will dissociate partially as per…

Q: 1) Calculate the pH of a solution prepared by dissolving 2.35 g of sodium acetate, CH,COONa, in 81.5…

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Q: The pH of a lime is 1.90. What is the [H3O*]?

A: Power of hydrogenpH value indicates the acidic and basic nature of a solution. pH ranges between 0…

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

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Q: The pH of an aqueous solution of 3.34×10² M potassium acetate, KCH3COO (aq), is This solution is

A:

Q: The pH of an aqueous solution of 3.91×10-2 M potassium fluoride, KF (aq), is ? And it is acidic,…

A: pH of the salt can be calculated as: If pH= 7, the solution is neutral If pH> 7, the solution is…

Q: The pH of a 0.70 mol/L weak base solution is 10.22. What is the Kb of the base?

A:

Q: The pH of an aqueous solution of 0.021 M hydrosulfuric acid, H2S (aq), is .

A: H2S is a weak diprotic acid. Since the Ka2 of H2S is << Ka1 of H2S  Hence we can assume only…

Q: Calculate the pH at equivalence. The p K of nitrous acid is 3.35.

A:

Q: The pH is measured to be 2.58 for a solution of 0.035 M cyanic acid, HOCN (aq). Write the hydrolysis…

A: HOCN is a weak acid. Weak acid are those acid which does not dissociates completely in equilibrium.…

Q: ulate the pH of a solution prepared by dissolving 1.90 g of sodium acetate, CH,COONA, in 85.0 ml of…

A: Given, Mass of Sodium Acetate = 1.90 g Ka of CH3COOH is 1.75×10-5.

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

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Q: Place the following acids in order of increasing strength: -H​3P​O​4,​ H3P​O​2​ and H3P​O​3.​…

A: We have to explain the acidity order: -H​3P​O​4,​ H3P​O​2​ and H3PO3.

Q: What is the pH if the pOH is 2?

A: Given -pOH=2 UsedFormula- pH+pOH=14

Q: what is acid-base equilibrium or electrochemistry? what are its practical applications?

A:

Q: Calculate the equilibrium constant, Ke,

A:

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

A: Given ReactionHF(aq) + H2O(l) → H3O+ (aq) +F-(aq)Equilibrium constant expression = To be determined

Q: If the equilibrium constant for A + B  C is 0.180, what is the equilibrium constant for 2C  2A + 2B…

A: The equilibrium expression for the given reaction:

Q: Q3// The basicity constant Kp for ammonia is 1.75 x 10 at 25°C. Calculate the pH and pOH for a 1.00…

A: As per our guidelines we can only solve first question. Please resubmit the other questions as next…

Q: The pOH of 0.0170 M solution of Sr(OH), is

A: We will calculate pOH.

Q: Calculate the pH of a 0.100 M HC2H3O2(aq) solution.

A: The acid in the given problem is depicted by the formula C2H3O2H is acetic acid . It can be written…

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

A: Answer :-  Equilibrium constant expression for the reaction HNO2(aq) + H2O(l) → H3O+(aq) + NO2-(aq)…

Q: When acidulated water (dil.H2SO2solution) is electrolysed, will the pH of the solution be affected?…

A: Anode reaction is given

Q: The pOH of an aqueous solution of 0.591 M phenol (a weak acid), C,H5OH, is

A:

Q: 2NO2 (?) ⇌ N2O4 (?) What is the expression for the equilibrium constant, Keq, for the reaction?

A: The given equation is : 2NO2 ⇌ N2O4

Q: The pH of an aqueous solution of 0.0103 M hydrosulfuric acid, H2S (aq), is

A: Given,  Molarity of H2S = 0.0103 M  First acid dissociation constant of H2S = Ka1 = 1.0 x 10-7…

Q: What is the pH of 3.5 × 10−4 M HNO3 (aq)?

A: An acidic substance is the substance that can give H+ ions. They are corrosive and sour in nature.…

Q: a) What is the equilibrium constant for HF(aq) ⇌ H+ (aq) + F– (aq)?, b) is it Homogenous or…

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Q: 98 grams of sodium acetate (Mol. wt =82 g/mol) were placed in 764 mL of water such that the final…

A:

Q: Write the equilibrium constant expression, K, for the following reaction taking place in dilute…

A:

Q: The pH of an aqueous solution of 0.136 M sodium nitrite, NaNO2 (aq), is This solution is

A: NaNO2 is a salt of a weak acid (HNO2) and a strong base NaOH pH = 7 + (pKa + log C)/2

Q: Assuming the base completely dissociates in water, what is the pH of a 5.20 g/L solution of Ba(OH)2…

A: pH is basically the negative logarithm of concentration of H+ and it is given by the formula:…

Q: Predict the direction of proton transfer in the reaction of acetic acid and ammonia in aqueous…

A: When there is a reaction between ammonia and acetic acid, acetate ion and ammonium ions are formed…

Q: The pOH for O.2 M sulfuric -2 acid solution is

A: We have 0.2 M sulfuric acid H2SO4 solution.we need to calculate the pOH of this solution.

Q: The pH of asSolution is l,4lI. what is thep what is the TOM]? OH? What is the [H30*]?

A: Given   PH    = 1.411  POH  =   ? [ H3O+ ]   =  ?  [ OH- ]     =  ?

Q: The pH of an aqueous solution of 0.255 M hydrosulfuric acid, H2S (aq), is

A: