Why there is no suitable indicators for weak acid and weak base tritration

Q: During the titration of acetic acid solution with standard NaOH using phenolphthalein, the end point…

A: The question is based on the concept of titrations. we have to observe the effect on molarity of…

Q: Describe three characteristics of a good acid-base indicator for a particular titration.

A: Indicators are some chemical substance which is used to detect the endpoint of a titration by some…

Q: At the equivalence point in the titration of 0.260 M CH3NH2(aq) with 0.260 M HCl(aq), why is the pH…

A: Given, At the equivalence point in the titration of 0.260 M CH3NH2(aq) with 0.260 M HCl(aq), the pH…

Q: True or false Dilution affects the pH of a solution that contains a weak base and its conjugate…

A: When base takes a proton(H+). The resulting species formed is called the Conjugate acid.

Q: What measurements or values will be needed to determine the molar mass of the unknown acid? V mass…

A: Answer: This question is based on the titration of acid and base where acid is the unknown and base…

Q: KHP(aq) + NaOH(aq) -> H2O (l) + KNaP(aq) 1. Once the equivalence point is reached, any NaOH that is…

A: The indicator used in the given acid-base titration is Phenolphthalein. Phenolphthalein gives pink…

Q: What are two primary standards that can be used to standardize base solutions other than KHP and…

A: Primary standards are reagents that are used for determining the concentration of the unknown.…

Q: 1. Describe clearly why a single indicator solution is only useful for measuring pH over a rather…

A:

Q: why we use methyl orange as indicator in titration of strong base with weak base and not the…

A: NOTE : There is a typo error in the question. The correct question will be, "why we use methyl…

Q: Why the shapes of strong acid–strong base, weak acid–strong base, and weak base–strong acid…

A: Why the shapes of strong acid–strong base, weak acid– strong base, and weak base–strong acid…

Q: 2.Would 20 mL of your 1:1 (acetic acid: sodium acetate) solution prepared in Part B be able to…

A: Buffer capacity is the ability of buffer to resist the change in pH.

Q: Water + Indicator and adding HCl Water + Inidcator + Buffer and adding HCl Water + Indicator and…

A: Concept:  Buffer solution: buffer solution  is an aqueous solution consisting of a mixture of a weak…

Q: What volume of KOH is needed to reach the second equivalence point during the titration of 75 ml of…

A: Since density of the solutions are not given, thus considering the molal solution to be equivalent…

Q: How would the titration curves differ if the volume of the acid used was halved?

A: Answer - Titration curve - A titration curve is a graph that shows both the volume of a chemical and…

Q: Titration Titrant Reductant/ Oxidant Analyte Standardizing Indicator Reagent COD BOD INDIRECT…

A: Given:- Titration Titrant Reductant/ Oxidant Analyte Standardizing Indicator Reagent COD BOD…

Q: Why must we standardize the NaOH titrant in order to use it to analyze the unknown acid?

A: In volumetric analysis, some chemicals are frequently used in defined concentrations as reference…

Q: Why phenolphthalein is not a suitable indicator in the titration of a strong acid with a weak base?

A: Phenolphthalein is one of the most known indicators during the titration of strong acid and a strong…

Q: A series of acid-base indicators were added to four separate samples of a solution with an unknown…

A: The data given is,

Q: acid base titration

A: In this question we have to explain that how does a redox titration differ from an acid base…

Q: Could phenolphthalein be used as an indicator in the Kjeldahl titration?

A:

Q: 2. In the pH metric titration of strong and weak acid mixture against strong alkali, generally first…

A: We are given a mixture of strong acid(H+) and weak acid(HA).  We titrate the above mixture with a…

Q: What are the two fundamental characteristics of metal ion indicator in EDTA titration ?

A: Metal ion indicators are the compounds that change the color of the solution when binds with metal…

Q: What are the common acid-base indicators for acidimetry-alkalimetry? Indicate the pH range and color…

A:

Q: Why Methyl orange is a suitable indicator in the titration of a strong acid with a weak base?

A: The substances that show a change in color on coming in contact with given acid or base that helps…

Q: Which indicator would show a pH change from 6 to 7? A Phenol red indicator B Methyl red indicator…

A: Indicator.                        PH range  Methyl red.                      0.3-1.8 Methyl orange…

Q: In an acid-base titration, why is the volume of a titrant on the last trial much lower?

A: Titrant: The standard solution or the solution whose strength is known as titrant

Q: Suppose you made a mistake in analysis of Ag+, Pb++ ,Hg2++ and instead of 6M HCl you added 6M HI .…

A: Given :  Suppose you made a mistake in analysis of Ag+, Pb++ ,Hg2++ and instead of 6M HCl you…

Q: Why phenolphthalein is a suitable indicator in the titration of a strong acid with a strong base?

A: To choose appropriate indicator for titration for this graph one must know :- a) pIn value of an…

Q: why must the flask be covered with watch glass or inverted beaker?

A: To find: the reason the flask is covered with watch glass or inverted beaker in an acid-base…

Q: Back titration is usually required when none of the choices the standard solution is volatile. the…

A: In volumetric analysis titration is one of the method. Back titration is also called indirect…

Q: How is the End-point detected in a Karl Fisher titration?

A: Karl Fischer titration is a titration procedure that uses volumetric or coulometric titration to…

Q: Describe the basis of buffer action and indicator detection.

A: To find: A description about the basis of buffer action and indicator detection

Q: Why Methyl orange is a suitable indicator in the titration of a strong acid with a strong base?

A: For a strong acid-strong base titration, the equivalence point is at pH 7.

Q: Which indicator is the best to use for the following titration? Strong Acid with Weak Base…

A: Titration is a volumetric analysis which is used to measure the volume of an unknown compound. The…

Q: A solution is tested with three indicators and it has a pH of 4.6. Identify the colours of the…

A: Indicator are those species which changes colour according to solutions pH .

Q: Explain the conductometric titration curve of strong acid with strong base

A: Conductometric titration: Conductivity  of the titration mixture is measured while adding  reactant…

Q: Please calculate V2 and the volume for second titration.

A: Answer is explained below.

Q: 500ml of 2M Tris-HCl buffer pH 8.9. Tris base MW is 121.14 g/mol. Please describe the preparation…

A: Tris -HCl can be prepared using Tris base (M. Wt. = 121.14 g/mol), or Tris-HCl (Tris base which is…

Q: Which substance is the primary standard used for the accurate determination of HCl titrant…

A: Primary standard which can be weighed easily, and which is so pure that its weight is truly…

Q: 3. Which indicator would show a pH change from 6 to 7? O Blue litmus indicator O Phenol red…

A: methyl red indicator

Q: Why is the pH at the equivalence point slightly different from that of the end point? Explain.

A: To explain: pH at the equivalence point is slightly different from that of the endpoint.

Q: Part A. 1. Write equations to describe what happened when: a. Carbon dioxide was dissolved in water.…

A: Introduction: We are given with two reactions and in that we have to check what will happen on…

Q: Topic: Acid-Base Titration What is a primary standard? What are the requirements to consider a…

A: In titration, primary standard is a chemical solution which is used to determine the unknown…

Q: In a weak acid titration, if the buret was not prepared properly and a considerable amount of water…

A: Weak acid titration:It is the titration of weak acid with strong base, there is proton transfer from…

Q: Explain how to use a pH titration curve to determine the acid dissociation constant of an unknown…

A: WE HERE TAKE THE EXAMPLE OF TITRATING ACETIC-ACID VS NaOH AND FROM HERE AT HALF EQUIVALANCE POINT…

Q: What does the pKIn of an acid-base indicator mean and how does it help in choosing an appropriate…

A: An indicator depends on its acid strength i.e. pH range where the color of the indicator changes…