Why is the equivalence point pH necessarily below 7 when a weak base is titrated with strong acid?

Q: Discuss the titration curve (variation of pH with respect to addition of titrant) with suitable…

A: A question based on pH titration curve, which is to be accomplished.

Q: 10.Calculate the pH of the solution prepared by dissolving  0.48 mol of NH3(Kb=1.77x10-5) and 0.750…

A: The given buffer solution is basic so first we calculate pOH and then pH of given solution.

Q: 6. Calculate pl for the titration of 100.0 mL of 0.1023 M I´ with 0.1190 M AgNO3 for the addition of…

A: Reaction which will take place will be as follows: I- + AgNO3 -----> AgI + NO3- Once we start…

Q: Use an Excel spreadsheet to generate a titration curve for 50.00 mL of 0.0200 M ammonia (K, = 1.76 x…

A: The chemical reaction that occurs during the titration of ammonia with HCl is: NH3+HCl↔NH4Cl

Q: In the titration of a weak acid with NaOH, which following statement(s) a. Normality-molarity x (n);…

A:

Q: a 25 mL sample of hydrofluoric acid ka=6.8x10^-4, was titrated with 0.625M KOH. The equivalence…

A:

Q: A 20.0-mL sample of a 0.125 M diprotic acid (H2A) solution is titrated with 0.1019 M KOH. The acid…

A: The neutralisation reaction taking place to reach first equivalence point is given by  H2A + KOH…

Q: Consider the curve of titration of a weak acid by a strong base. What is the approximate value of ka…

A:

Q: . ammonia with standard HCl

A: Given four titration and asked phenolpthalein indicator can not be used in which titration.

Q: Which statement is wrong regarding the two titration curves (A) and (B) shown below? 12 12 (B) (A)…

A: Titrand : Titrand is the analyte or sample. Titrant : Titrant is the reagent solution that is added…

Q: When choosing an indicator for the titration of a weak acid with strong base, which of the following…

A: A weak acid does not dissociate completely and thus furnishes less H+ ions. So, it is called as a…

Q: encountered during the analysis in double indicator titration (determining of carbonates in a…

A:

Q: weak acid with a strong base? The conjugate base that is formed at the equivalence point is a strong…

A: Conjugate base formed at equivalence point reacts with water

Q: A Mohr titration of NaCl is done at pH 2. Is there a positive error, negative error, no effect, or…

A: A question based on general chemistry that is to be accomplished.

Q: In the redox-dichromate titration with solutions containing 2 components, the first inflection point…

A: Given: The redox-dichromate titration with solutions containing 2 components.

Q: The pH at the half-equivalence point of a weak acid-strong base titration is 5.23. What is the pKa…

A: Consider, a titration of Weak monoprotic acid (HA) with the strong base (OH-). As, we know that, at…

Q: The titration of a polyprotic acid with sufficiently different pKas displays two equivalence points.…

A: Polyprotic acid produces two different H+ ions upon ionization like diprotic acid. When a…

Q: Sodium tetraphenylboron is the titrant for what precipitimetric method?

A: Sodium tetraphenylboron [ (C6H5)4 B- Na+] is soluble in aqueous solution and form clear solution…

Q: In the titration of the weak acid (HA) by NaOH, what important species' concentration increases…

A: The point in titation in which the amount of added titrant ( NaOH) neutralize the analyte solution (…

Q: What is a primary reason for needing to standardize strong base titrants like NaOH and KOH?   A…

A: Standardisation is a process in which the concentration of the solute is measured accurately so that…

Q: What is the calculated equivalence point volume when 21.2 mL of 0.250M HI are titrated with 0.350M…

A: Introduction: The balanced chemical equation of the given system is                HI + LiOH = H2O +…

Q: .What is the type of reaction involved? SA + SB SB + SA WA + SB WB + SA   2.What is the preferred…

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

Q: 25 mL of a mixture of NaOH and Na 2 CO 3 was titrated with 0.1 HCI using enolphthalein indicator…

A: This question belongs to the titration of a mixture of the strong and weak base against strong acid…

Q: 11,The equivalence point of titrating of the weak base with the strong acid will be observed at…

A: 11. An acid reacts with a base to form salt and water. At the equivalence point, the moles of acid…

Q: The pH at one-half the equivalence point in an acid-base titration was found to be 5.67. What is the…

A: Given  pH = 5.67 Ka = ?

Q: Why does the titration of a weak acid with a strong base always have a basic equivalence point?

A: A weak acid can be react with strong base to form a basic (pH > 7) solution.

Q: Consider the titration of 20.00 mL of 0.1145 M sodium azide (NaN3) with 0.1250 M HCl.  The Ka of HN3…

A:

Q: 3. (а) When 40 mL of benzoic acid (C,H5COOH) and 35 mL of potassium hydroxide were titrated, the pH…

A:

Q: Difference of titration of weak acid with strong base and strong acid with strong base.

A: Since you are posted with multiple questions. As per the rule, I am answering the first question…

Q: 8. State True or False. In the titration of a weak acid with a strong base, pKa of the weak acid…

A: The equivalence point is the point where the number of moles of acid and base is approximately…

Q: A good rule-of-thumb for a weak acid-strong base titration is to choose an indicator whose…

A: In a corrosive base titration, the titration bend mirrors the qualities of the comparing corrosive…

Q: A mixture of 5.0 mL 1.0 M HCl and 15.0 mL acetic acid is titrated with 1.0 M NaOH solution. At…

A: Moles can be calculated as follows: M=nV where n: The number of moles of the solution V: Volume of…

Q: What is a primary reason for needing to standardize strong base titrants like NaOH and KOH?…

A: Standardisation is a process in which the concentration of the solute is measured accurately so that…

Q: choice of indicator for acid base titration ?

A: We know that the selection of indicator is  pH lies between PH=pKin-1 to pkin+1 hence its depends on…

Q: 2. Draw a graph of pH vs Vh for the titration of a strong acid with a strong base and compare it to…

A:

Q: Blank correction is not done in a Mohr titration of NaCl. Is there a positive error, negative…

A: When the analyte is added to the solvent blank during the preparation of the standards. The analysis…

Q: in the titration of 50.0 mL 0.0200 M weak acid HA using 0.0150 M NaOH, what is the solution pH at…

A: Number of moles = Molarity x volume (L) Molarity of HA = 0.0200 M Volume of HA = 50.0 mL = 0.050 L…

Q: The titration of a polyprotic acid with sufficiently different pKa ’s displays two equivalence…

A: Polyprotic acid produces two different H+ ions upon ionization like diprotic acid.

Q: A 100.0-mL aliquot of 0.100 M diprotic acid H2A (pK1 = 4.00, pK2 = 8.00) was titrated with 1.00 M…

A:

Q: The pH at the equivalence point of the titration of a strong acid with a strong base is 7.0.…

A: Titration is one of the most common method of qualitative analysis of substances given. It is done…

Q: What is the CORRECT expression of potential (versus SHE) at the equivalence point (EEp) for the…

A:

Q: 11,The equivalence point of titrating of the weak base with the strong acid will be observed at…

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

Q: The pH at one-half the equivalence point in an acid-base titration was found to be 8.2.  What is the…

A:

Q: The titration of 0.050 M aqueous ammonia with 0.010 M sulfuric acid will have a pH ___ at the…

A: The titration of 0.050 M aqueous ammonia with 0.010 M sulfuric acid will have a pH ___ at the…

Q: A 65.20-mL sample of a 0.251 M solution of acetic acid (HC2H3O2) which is a weak acid with an acid…

A: At equivalence point acid is completely neutralized by base and salt formed is undergoing…

Q: 2. Suggest a reason that K, is influenced by ionic strength. 3. Explain the difference between…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three subparts…

Q: Complexometric titration must be performed at pH 10.0

A: Complexometric Titration is basically a type of volumetric titration where a colored complex is…

Q: Q1) in titration of 25 mL of the solution containing Cu2+ with the concentration of 0.01 molar ,…

A:

Q: What is the pH in titration of 100 ml 0.01 M benzoic acid with 0.02 M NaOH at equivalence point?

A: Volume of benzoic acid is 100ml and molarity = 0.01 M NaoH molarity = 0.02M Calculate the PH of…