A certain organic base of the general formula ROH serves as an indicator in a neutralization titration. Its change of color is found to take place when it is one-quarter converted to the ionic form. At this point, the pH value of the solution is 5.6. What is the ionization constant of the 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: An unknown solution is red with phenol red and colourless with thymolphthalein. From that…

A:

Q: Determine the Concentration of Acetic Acid in Vinegar a this lah, you wil detarmine the…

A: Vinegar contains acetic acid. By titrating this with a base we can easily calculate the…

Q: Back aboard the ship, in the botany lab, Mr. Sulu is performing a titration on a weak acid he has…

A: The work is being done a weak acid, which will have some pKa value. The weak acid is titrated with…

Q: Define pH indicator. The amount of pH indicator added are normally kept as small as possible in a…

A: pH indicator has to be defined. And the reason for why we should not add excessive pHindicator into…

Q: What is the effect of dilution on the pH of a buffer?

A: The pH of a buffer solution of a monoprotic acid HA can be expressed as follows-

Q: What are the main groups in the general qualitative analysis scheme described in this chapter?…

A: Qualitative analysis- It is the ideal analysis of inorganic mixtures to detect basic radicals and…

Q: If phenolphthalein has been added to 100 mL of a clear solution and the solution does not change…

A: Phenolphthalein is used as an indicator in acid-base titration reactions. In an acid–base titration…

Q: Explain what chemistry occurs in each region of the titration of the weak base, A, with strong…

A: pH - pH is defined as negative logarithm to the base 10 of H+ ion concentration. pH value determines…

Q: In the titration of a strong acid (the analyte) with a strong base (the titrant), what type of pH…

A: The equivalence point is the point at which enough base is added to acid to make the solution…

Q: Sketch a pH titration curve for the titration of a weak base with a strong acid. Indicate the…

A: this titration is between strong acid and weak base.

Q: You are going to analyze an aspirin tablet using a UV-visible spectrophotometer. You crush an…

A: Blank solution means it has absence of analyte substance.

Q: Draw the conductometric titration curve of the titration of a weak base with a weak acid in equal…

A: Conductance measurements are frequently  employed to find the endpoints of acid-base and other…

Q: It is a common practice to prepare buffer of different pH values from a single acid. Select a single…

A: Firstly this is a very relative question, that will be needing data values. A buffer is effective in…

Q: In a system where a weak acid is an analyte, a strong base is a titrant, what is the milestone pH…

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Q: In terms of pH indicators, please fully explain what must occur in a solution to observe a colour…

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Q: pH of a given buffer solution does not depend, in general, on concentration of buffer components.…

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Q: Enlist the possible factors affecting the pH curve for acid base titration?

A: An acid-base titration is the titration used to determine the unknown concentration of an acid or…

Q: A sample of rainwater is tested for acidity by using two indicators. Additionof methyl orange to…

A: Methyl orange, methyl red are weak acids that exists as dyes and indicated the pH of a solution,…

Q: Buffer systems operate in a roughly 2.0 pH unit range, centered around what value?

A: Effective buffer range of an acidic buffer is from pKa-1 to pKa + 1.   Centered value is pKa , at…

Q: If the acceptable buffer range of the solution is ±0.10 pH units, calculate how many moles of H3O+…

A: pH drop is 0.1       then       initial pH = 9.6837       pH drop max = pH = 9.6837-0.1 = 9.5837…

Q: The pH of a solution was monitored over the course of a titration. Below is the graph from the…

A: According to Henderson-Hasselbalch equation, pH = pKa + log[Salt][Acid]   Equivalence point is the…

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: What is the pH of a buffer solution with equal parts acetic acid and sodium acetate?

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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: Describe and explain the two situations in which pH can have an appreciable effect on the aqueous…

A: Most of the ionic compounds are soluble in water, but their degree of solubility varies.  Not the…

Q: . (a) Which is the stronger base—the basic form of the indicator cresol red or         the basic…

A: Indicators are substances whose solutions change color due to changes in pH. They are usually weak…

Q: Using your knowledge of buffer systems , calculate the pH of the buffer system given the data below:…

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Q: A buffer solution is desired to be prepared by mixing 100 mL of 0.6M ammonia solution and 150 mL of…

A: Given, Volume of ammonia = 100 mL Molarity of ammonia = 0.6 M Volume of ammonium chloride = 150 mL…

Q: For the titration of a strong acid with a strong base, which statement below is FALSE?

A: Answers = only this statement are FALSE The indicator changes color at the end point due to excess…

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

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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: What is the effect of concentration of the weak acid on pH of the buffer solution? Explain.

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Q: In carrying out a titration of a potassium hydroxide solution with a standard hydrochloric acıd…

A: Concentration of a solution is the amount of solute present per unit volume of solution. Most common…

Q: Explain how the pH of a mixture of aqueous ammonium chloride and aqueous ammonium remains constant…

A: The solution that can resist the addition of the strong acid or strong base is termed as the buffer…

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: 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: In titrating 40.0 mL of 0.10 M of HCI solution with 0.15 M of KOH solution, what would be the pH of…

A: Answer :- pH = 2.44…

Q: The capacity of buffer solution is defined as the amount of weak acid or weak base can be added…

A: A buffer is a solution which resist any change in pH on adding a small amount of acid or base .   it…

Q: Write the ion-product expression for silver carbonate.

A: Formula of silver carbonate = Ag2CO3   Ion - Product (Q) = Product of the concentrations of the…

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: 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: 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: You are asked to determine the ethanoic acid, CH3COOH content in a vinegar sample. Give suitable…

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

Q: Addition of phenolphthalein to an unknown colorless solution does not cause a color change. The…

A: The indicator that used to determine the pH of solution more precisely, has to be given.

Acid Base Titration

An acid-base titration is the method of quantitative analysis for determining the concentration of an acid and base by exactly neutralizing it with a standard solution of base or acid having known concentration.