What is an acid–base indicator?

Q: Describe acid-base titration. What is the equivalence point?

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

Q: What is an acid–base indicator? Define the equivalence (stoichiometric) point and the end point of a…

A: An acid-base indicator is either a weak acid or weak base that exhibits a colour change as the…

Q: The graph below, which is related to a titration curve, shows the fraction (f) of the stoichiometric…

A: The titration curve given is as shown below,

Q: During the titration of sodium carbonate with sulphuric acid why are two indicators used and what is…

A: The above titration is the titration of a weak base against a strong acid. In such cases, the acid…

Q: How can an indicator signal the equivalence point of a titration?

A: Indicator is defined as the substance which added to the analyte solution and at the equivalence…

Q: What is the purpose of an indicator in titration? Group of answer choices To initiate the reaction…

A: the correct option with explanation is provided in the next step:

Q: What is the pH of a buffer when the concentrations of both buffercomponents (the weak acid and its…

A: Since you have posted multiple questions, the answer for first question is given below. Kindly…

Q: The volume required to reach the equivalence point of an acid–base titration depends on the volume…

A: The equivalence point is the one at which the number of moles of base are stoichiometrically equal…

Q: Why is titrant added rapidly at the beginning of titration but more slowly as titration proceeds?

A: At the beginning, the amount of analyte present in the solution will be high. Hence whatever amount…

Q: At the equivalence point of an experiment where a strong acid is titrated using a strong base, which…

A:

Q: or the analysis of a 50 mL sample consisting of carbonate mixtures, when the phenolphthalein…

A: Na2CO3 (aq) + HCl (aq) -----> NaHCO3 (aq)  + H2O (l)    NaHCO3 (aq) + HCl (aq) ----->…

Q: The distribution of a pH indicator that is an acid (i.e. Hln) depends on the pH of the solution that…

A: Answer is in step 2

Q: In a titration, the equivalence point is achieved when the concentration of the base is equal to the…

A: The answer to the following question is given as:

Q: Which statement is FALSE for indicators? Indicators are chosen to change color as close to the end…

A: An indicator is a substance that changes its color in acidic and basic medium. An indicator could…

Q: Which of the following is/are TRUE about equivalence and end points? I. The end point of a titration…

A: Volumetric titration is the method of finding the concentration of an analyte using a titrant (…

Q: An aqueous solution contains 0.27 M hydrocyanic acid. One Liter of this solution could be converted…

A: ->Given  Molality of HCN = 0.27 M Volume = 1 L ->The buffer solution formed by it must…

Q: A buffer solution is a mixture of a weak acid and its conjugate base, both in considerable…

A: To answer the change in pH when HCl is added to pure water.

Q: What is buffer solution?give the application of buffer with proper solution.

A: To find: The definition for buffer solution Application of buffer

Q: Is it possible to prepare a buffer solution using a strong acid and a salt of its conjugate base?…

A: Buffers are solutions that help to nullify the changes brought in a solution in terms of pH. They…

Q: What are the two ways to determine that the equivalence point has been reached in the reaction? O…

A: An acid base titration is a titration in which the concentration of an unknown acid can be…

Q: 101.Chemical processes in which a proton donor reacts with a proton acceptor 102. Distilled water…

A: Requirement from question: Three objective questions and answers.

Q: Which of the following statement is incorrect regarding buffer solutions: Maximum buffer capacity is…

A: Buffer solution are the mixture of acid and base or acid and its congugate base , it resist the…

Q: The potentiometric titration of a weak acid against a stong base is shown below. For A) calculate…

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

Q: Which of these indicators is best suited to distinguish between a solution that is slightly acidic…

A: How to differentiate between slightly acidic and slightly basic solution with the help indicator?

Q: Explain how a titration of an acid of unknown concentration is carried out using a base of known…

A: The fixed volume of the acid with unknown concentration is taken in a conical flask and the base…

Q: - The molar mass of a solid carboxylic acid is determined by titrating a known mass of the acid with…

A: Titration is a very common practice used in chemistry to analyze the concentration of an unknown…

Q: When 10.23 ml of an unknown weak acid was titrated, it required 12.08 mL of 0.423M NaOH to reach the…

A: Given that : Volume of NaOH (V1) = 12.08 mL Molarity of NaOH (M1) = 0.423 M Volumes of weak acid…

Q: 1) When visually monitoring a titration with an indicator, which of the following indicates you…

A: When are performing acid - base titratiion  the reaction stoichiometrically completed at equivalent…

Q: What is an indicator? How can an indicator signal the equivalence point of a titration?

A: Equivalence point is the point in titration at which the amount of titrant added is completely…

Q: First paragraph: Discuss what is meant by a titration. Discuss the terminology used in a titration.…

A: Titration is a technique used to measure the concentration of an unknown solution.

Q: Suppose you are performing acid-base titration with HCl and NH4OH, select your indicator with…

A: In case of Strong acid and weak base just like HCl and NH4OH we use indicator methyl orange since it…

Q: . Describe the selection of a proper indicator , refer to the following points .what is an indicator…

A: Note: since you have posted a question with multiple subparts, we will solve first three parts for…

Q: One strategy for dealing with the acidification of lakes is to periodically add powdered limestone…

A: The chemical reaction of carbonates and its equation

Q: A 19.2 mL sample of a 0.466 M aqueous hypochlorous acid solution is titrated with a 0.413 M aqueous…

A:

Q: Give the chemical composition of a buffer solution and explain the buffer action with appropriate…

A: Buffer Solutions are the solutions which resists the sharp change in pH on addition of an acid or…

Q: Which solution has the greatest buffer capacity? Which solution can react with the largest amount…

A: Buffer solution: The solution that resists the change in pH is known as a buffer solution. The…

Q: When a weak acid is titrated with a strong base, at half-equivalence point, pH = ?

A: Reactions of Acid- Base titration are completely dissociated generally.

Q: Which of the following incorrectly describes buffer solutions? Buffers can be prepared using strong…

A: Answer - The correct option is (a)  buffer can be prepared using strong acid and its conjugate base…

Q: Explain how to choose the appropriate acid-base indicator for the titration of a weak base with a…

A: Acid base indicators are used to determine whether the solution is basic (alkaline), acidic or…

Q: Match the following descriptions of titration curveswith the diagrams: (a) strong acid added to…

A: (a) strong acid added to strong base - (ii) Initially pH is in basic region than decrease on…

Q: What is the pH of a buffer solution when the concentrations of both buffer components (the weak acid…

A: The pH of a buffer solution can be calculated by using Henderson- Hasselbalch equation.

Q: What is an acid-base buffer and what two components must be present? What important value do…

A: Buffer Solution is a water-based solution or aqueous solution that consists of a mixture of a weak…

Q: What factor governs the selection of an indicator for a neutralization titration? A) the final…

A: Indicator are used in acid base titration or neutralization titration to detect the end point of…

Q: This is about determinition of acid content in vinegar through titration, please answer the…

A: Hi, since you have posted questions with multiple subparts. We will answer the first three questions…

Q: Suppose a titration was performed in which a base of pH 6 was being titrated. The equivalence point…

A: SOLUTION: Step 1: An indicator is chosen that has a pKa close to the pH at which the titration…

Q: 2. Explain the chemical basis for the different slopes of a titration curve. Include a chemical…

A: A graph of the pH as a function of the amount of titrant added is known as the titration curve. The…

Q: Which of the following is/are TRUE about equivalence and end points? I. The end point of a…

A: The point in a titration when the titrant and analyte are present in stoichiometric amounts is…