Explain how an acid-base indicator works in a titration. What are the criteria for choosing an indicator for a particular acid-base titration?

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: Explain what happens when acid is added to a buffer and the pH does not change very much.

A: A buffer is a solution that can resists changes in pH upon adding of a little amount of strong acid…

Q: Refer to the acid-base titration curve shown below. Which point is best described as a solution…

A: Answer: Given curve is the titration curve of triprotic weak acid and strong base where weak acid is…

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: Indicators are acids or bases whose various protonated forms have different colors. The volume…

A: Acid is a substance that give hydrogen ions in aqueous solution and base is a substance that give…

Q: Given the pH chart of different acid-base indicators, which indicator is appropriate for…

A: The pH chart given is,

Q: For the following systems, pick an indicator that would tell when the pH changes. Briefly explain…

A: Answer: This question is based on the understanding of acid-base titration where we are titrating…

Q: Group III cations are typically precipitated out as sulfides at low pH when doing qualitative…

A: Answer - True

Q: What is Buffer Range?

A:

Q: (1) The pH curve represents the titration of a( acid with a base. (2) Choose a suitable indicator…

A: If the pH = 7 for a titration it is the reaction of an strong acid and a strong base. From the given…

Q: When titrating a dibasic compound (sodium carbonate) with strong acid (hydrochloric acid) what will…

A: Since the base is dibasic compound Hence there will be 2 equivalence point  the reaction for the two…

Q: The amount of indicator used in an acid-base titration must be small. Why? TABLE 16.1 Some Common…

A: The indicator used in acid base titration must be very less. An indicator is selected for a…

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: Explain how the above buffer solution maintain its pH when a small amount of sodium hydroxide, NaOH…

A: Buffers work by neutralizing any added acid (H+ ions) or base (OH- ions) to maintain the moderate…

Q: Which of the following can be used as an indicator for an acid base titration? A. Methyl orange B.…

A:

Q: Define acid–base indicator

A: Titration is a technique of determining the unknown concentration of one solution from the known…

Q: Give a example of an acid base titration with the equation other than naoh and hcl

A:

Q: Given the data for the following separate titrations, calculate the molarity of the HCl:      mL…

A: Recall the formula V1M1= V2M2  Where V1 is volume of NaOH              M1  is molarity of NaOH…

Q: What are the two components of a buffer solution? How do each of them maintain pH?

A: Answer: Buffer solution is the type of solution whose pH doesn't change on adding small quantity of…

Q: What is the ratio of [acid] to [base] of the buffer when pH = pKa. This is referred to as the ‘best…

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

Q: Explain the role of buffers in maintaining the blood pH.

A: Given question is :  Explain the role of buffers in maintaining the blood pH = ?

Q: 19. What is a buffer? How can buffers be used? Why are they important

A: Buffer is a solution, whose pH does not change by addition of a small amount of acid or base. Buffer…

Q: What is the function of a buffer solution?

A: A buffer is a solution that can resist pH change upon the addition of an acidic or basic components.…

Q: 1) Why are strong acids and bases have better conductivity compared to weak acids and bases? 2) What…

A: Explained as follows

Q: In acid-base titration, the pH of the reaction mixture changes during the course the titration.…

A: Curve A, represents the pH titration curve of strong acid with weak base.  Because, on addition of…

Q: (1) The pH curve represents the titration of a | acid with a base. (2) Choose a suitable indicator…

A: The pH curve represents the titration of a strong acid with a strong base. Explanation-Since we see…

Q: The end point ( or equivalence point ) your acid / base titration between HCl and NaOH occurred…

A: For an acid-base reaction the equivalence point is  the moles of acid and the moles of base would…

Q: Why is it important to thoroughly rinse your pH meter with distilled water before testing a…

A: A pH meter is actually a type of electronic device used to measure pH of any solution. But, after…

Q: Acid-base titrations are monitored by following the changes in [H3O+]. (True/False)

A: The ionic product of water, Kw, is always constant at particular temperature and it is equal to…

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: acid-base titration

A: Titration of acid with called acid base titration Or neutralisation . In which a primary standard…

Q: What are the characteristics of an effective buffer?

A:

Q: Explain why an acid-base indicator changes color over a range of pH values rather than at a specific…

A:

Q: Which of the following titration curve represents a weak acid and strong base?

A:

Q: Describe the pH changes that occur during the titration of a weak base by a strong acid. What is…

A: A reaction between a base and an acid to give water and salt as products is known as the…

Q: How many indicators in acid base titration. O Three. O Four. O Five.

A: Acid base titration are those in which acid is neutralised by base.

Q: How does the concentration of the buffer affect the buffer capacity?

A: Buffer capacity = 2.303×a×ba+b  For maximum buffer capacity, concentration of acid (a) should be…

Q: Chemistry A student conducted a titration experiment in a lab. 50.00 mL of nitric acid (HNO3)…

A: #Q.1: HNO3 is a strong acid, and NaOH is a strong base.  Volume of 0.090 M HNO3(aq) taken = 50.00 mL…

Q: Calcuate the pH after 10ml of 1M HCL is added to the buffer if it was a 1L solution.

A: When HCl is added to the buffer solution the hydronium ion is consumed by the conjugate base which…

Q: what is the pH when the volume of base added equals half that of the equivalence point?

A: Since the volume of base added = half of that of the equivalence point. Hence it means the titration…

Q: What is a full range indicator? O An indicator that covers more than the full range An indicator…

A: Indicators are the chemical compounds that detect the visual change in solution when there is a…

Q: What is the preferred acid for titrating bases

A:

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 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: Which of the following solutions can act as a buffer? HCI and NACI NaCl and H2O NAOH and HCI NH3 and…

A: Buffer is a mixture of a weak acid and its conjugate base or a weak base and conjugate acid.…

Q: The amount of acid or base the buffer can neutralize before the pH begins to change to an…

A:

Q: Why do scientists want to find the equivalence point in a titration? a) To form a colored compound…

A: Please find your solution below : Titration is a common laboratory method of quantitative chemical…

Q: Provide an example of two substances that can be mixed together to create a buffer.

A: Buffer :- a solution that resists dramatic changes in pH acidic buffer :-Weak acid +salt of weak…

Q: What is the endpoint of a titration?

A: In a titration indicators are used for the identification of end point. Equivalence point is the…