The indicator phenolphthalein was added to the phosphoric acid solution prior to the titration. A good indicator is one that causes a color change near the equivalence point. Was phenolphthalein a good choice in this case? Explain why or why not.

Q: A student conducted an acid-base titration but neglected to condition the burette properly. As a…

A: According to the correct acid base titration procedure burette should be placed vertical on 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: A student carried out an acid-base titration by adding NaOH solution from a buret to an Erlenmeyer…

A: During the titration of strong acid and strong base - the pH of the end point falls within the…

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

A: Answer - True

Q: How does a metal ion indicator work in an EDTA titration?  (Hint:  You may want to write out the…

A: The solution is given below:

Q: What is the pH (give a number) for the acetic acid - sodium hydroxide solution in the flask when the…

A: Given: Titration of Acetic acid­ – Sodium hydroxide.

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 substance is used to signal the endpoint of the titration? Group of answer choices acid…

A: 1- In this question, we will see which substance we will used to signal the endpoint of the…

Q: The graph below shows three HCl samples, all of different concentrations, that were titrated with…

A: The given graph is represented as follows:

Q: Some automatic titrators measure the slope of a titration curve to determine the equivalence point.…

A: For acid-base titrations, the equivalence point can be found very easily. A pH meter is simply…

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: 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: In another experiment, the student titrated 50.0mL of 0.100MHC2H3O2 with 0.100MNaOH(aq). Calculate…

A: At equivalence point, the number of moles of acetic acid will be equal to that of NaOH and whole…

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

A:

Q: The end point for a titration can be determined graphically. The end point volume for a first…

A: A neutralization reaction takes place between an acid and the base when an equal amount of both is…

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: conductometric titration of strong acid with the strong base and weak acid with strong base the…

A: We have to have idea about conductometric titration. As we know when stong acid react with strong…

Q: Determine the pH during the titration of 19.8 mL of 0.212 M hydroiodic acid by 0.155 M barium…

A:

Q: When doing a titration too quickly, you are more likely to overshoot the endpoint, to add more than…

A: Volumetric titrations are used to determine the concentration of solutions, with the use of 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: Phenolphthalein indicator is the frequently used indicator in the titration of HAC with NaOH The…

A: There are two types of bases/acids. One is strong base/acid which is completely dissociable in into…

Q: 10.00mL of O.10M HCI were collected in an Erlenmeyer flask, and 100mL with distilled water. After…

A: HCl is an acid and NaOH is a base and both react to form salt and water. The H+ ions dissociated…

Q: In the titration of a strong acid with a strong base, how do you calculate these quantities?a.…

A:

Q: Why does the dilution of the initial sample (say 75 mL versus 100 mL) not affect in the final…

A:

Q: In the titration of a weak acid with a strong base, how do you calculate these quantities?a. initial…

A: a) Initially there is only weak acid is present. So pH at the initial point can be calculated…

Q: Use the titration curve to the right to answer the following questions A. What is the pH at the…

A: 1. Equivalence point is defined as the point where moles of acid is equal to moles of alkali. In a…

Q: A student starts a titration without phenolphthalein in the Erlenmeyer flask.The student realizes…

A: Since the colour changed is observed when the pH of the titration mixture reaches the equivalence…

Q: What is the concentration of the NaOH solution?

A:

Q: What is the difference between the endpoint of a titration and the equivalence point? The endpoint…

A: In the given question we have to differentiate the equivalence point and end point. Here, both the…

Q: What is the pH at the equivalence point of a weak acid titrated with a strong base? (Hint: what are…

A: The acidity or basicity of a solution is measured by the pH of the solution. If the pH is 7, the…

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: At the equivalence point, will the number of moles of sodium hydroxide added will equal the number…

A: In titration, equivalence point is defined as a point at which the amount of titrant added is just…

Q: At which point of the titration curve is there maximum buffering capacity for a weak acid? A. at the…

A: A weak acid is one that does not dissociates completely to form its conjugate base and H+. There is…

Q: In an acid-base neutralisation titration, equivalent quantities of hydronium and hydroxide ions are…

A:

Q: Compare the two situations below using the titration curves. Adding HCl to a solution of NaOH with a…

A: The acid-base titration is proceeded by the neutralization of an acid by base or its vice-versa. The…

Q: Approximately how much Sodium Hydroxide was added when the titration curve reached the equivalence…

A: Equivalence point is point in titration at which the amount of titrant added is just enough to…

Q: 10. Sketch the titration curves for a diprotic acid titrated by a strong base and a triprotic acid…

A: Polyprotic acids are those which have more than one ionizable hydrogen per molecule.H2SO4 is an…

Q: A 25.0-mL sample of 0.125 M pyridine is titrated with 0.100 M HCl. Calculate the pH at each volume…

A:

Q: It is titrated with 60 mL of 0.05M NH3 and 30 mL of 0.05M HCI. Calculate the pH value of the medium.

A: In this question, we want to determine the pH of the resulting solution after mixting of HCl with…

Q: What is an acid–base indicator?

A: As per our guidelines,  you have posted multiple questions we can only answer first one.

Q: A student is performing a titration using NaOH and HCI. The NaOH is in the burette, the HCI is in…

A:

Q: What is typically added to the reaction to assist in observing the endpoint in a titration?…

A:

Q: A scientist is attempting to recreate this titration using the same concentration of hydrochloric…

A: In a acid- base titration,  the condition for end point is the number of moles of acid and  number…

Q: What is qualitative analysis? How does qualitative  analysis differ from  quantitative  analysis?

A: Generally, qualitative analysis refers the presence or absence of different chemical components in a…

Q: What indicators is best suitable for this titration curve of a weak acid & a strong base?

A: Answer: Since, here weak acid is being titrated against strong base. Therefore, at the equivalence…

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

A:

Q: 20.0mL of 0.150M HF is titrated with 0.150M NaOH.  Calculate the pH at the equivalence point.

A: 20.0 mo of 0.150 M HF is titrated with 0.150 M NaOH.

Q: is the point at which the titration is complete Endpoint equivalence point Boiling point none of…

A: Given,  ..................................is the point at which the titration is complete ?  Options…

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.