What is the purpose of titration?   What is the purpose of phenolphthalein? Why is phenolphthalein traditionally used in titrations?

Q: How do I find Ksp using only moles soluble in a liter of water?

A: The solubility of a substance is defined as the number of moles of an ion or a solute that can be…

Q: uppose a solution of NaOH was titrated and found to have a molarity of 0.250 M. This solution is now…

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Q: A student performs this experiment but forgets to remove air bubbles from the NaOH buret valve. (a)…

A: The percentage of calcium carbonate (CaCO3) in a sample is calculated using the back titration…

Q: Why should we do a standardization every time we do a titration?

A: Standard solution is one of which we know the concentration . The necessity of standardization…

Q: Fumaric acid and malonic acid are both diprotic acids. A copy of the titration curves for these…

A: Given that  diprotic acid with Ka1 >> Ka2.

Q: How many milliliters of 0.0991 M LiOH are required

A: Given :- Molarity of LiOH solution = 0.0991 M  Molarity of HCl solution = 0.0839 M  Volume of HCl…

Q: Why do we titrate medications

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Q: Why starch indicator is added during the titration rather adding it before the titration?

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Q: Why should we do a standardization every time we do a titration of Hcl and NaOH?

A: A standard solution is a solution whose concentration is known precisely. NaOH and HCl are the…

Q: Whether purging of nitrogen gas is required or not, during the acid-base titration of unknown…

A: Potentiometric titration is a laboratory method to carry out direct redox titration but without…

Q: A titration experiment required 12.50 ml of standard hydrochloric acid solution to reach the…

A: Here, we are performing double titration. In double titration we use two indicators first…

Q: What is the purpose of adding KI and HCl in the solution before titration?

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Q: Which of the following is incorrect about direct titration? 1. OThe prepared solutions must be…

A: Titration is a method to determine the concentration of an unknown solution by using the solution of…

Q: How did you determine the values of pka1 and pka2 from the titration curve?

A: For the titration of a polyprotic acid with a base, we get more than one equivalence points. We can…

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: 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: of the titration? A) phenolphthalein (pKa = B) phenol red (pKa = 7.9) C) methyl red (pKa = 5.1) D)…

A: In this titration curve, equivalence point present between 6 and 4. At this equivalence point…

Q: pH Indicator 1 7 8. 9 10 11 12 Colorless Phenolphtalein Bromthymol Blue Methyl Orange Pink Yellow…

A: Given that :

Q: 1. The endpoint of the titration is overshot! Does this technique error result in an increase, a…

A: The solution of the given question is

Q: What precipitate is formed when you add HCl to an extraction of NaOH?

A: Here extraction of NaOH means the salt of RCOONa The general reaction is,

Q: Ideal NaOH titrant preparation requires boiling the solvent H2O. Why

A: When an acid is titrated with sodium hydroxide solution, then initially sodium hydroxide solution is…

Q: How does diphenylamine sulfonate indicator work? Give specifics on how it is an indicator

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Q: A titration experiment required 12.50 ml of standard hydrochloric acid solution to reach the…

A: Volume of HCl required for phenolphthalein endpoint = 12.5 mL Volume of HCl required for methyl…

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: What volume in mL of 0.1366 M NaOH is required to titrate  15.00 mL  of  0.1021 M  acetic acid…

A: The considered reaction is, NaOH + CH3COOH⇔CH3COONa + H2O

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: How many mL of 16 N HCl is needed to make a 0.3 N solution from a 500 mL solution of 0.15 N HCl to…

A: Given data: Normality of HCl = 0.3N Normality of HCl as titrant=0.15N Volume of HCl as titrant  =…

Q: Write an introduction for the titration of acetic acid with NaOH and for the titration of Polyprotic…

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Q: how do i determine the molecular weight of an unknown acid if i titrated it with  0.07572mol/L of…

A: To determine: Molecular weight of the unknown acid using titration with NaOH. Given: Concentration…

Q: If one "overshoots" the phenolphthalein endpoint in the NaOH / KHP titration, will the calculated…

A: If one "overshoots" the phenolphthalein endpoint in the NaOH / KHP titration, will the calculated…

Q: In the case of over-titration, what should be done to the sample? Select one: a. Dilute the sample…

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Q: If 12.35 ml of 0.4967N NaOH were required in the titration after the ammonia from the sample had…

A: Normality of NaOH = 0.4967 NNormality of NaOH = Molarity of NaOH = 0.4967 MVolume of NaOH required =…

Q: What volume in mL of 0.1408 M NaOH is required to titrate  15.00 mL of 0.1063 M acetic acid (HAc)?

A: Since acetic acid is a monoprotic acid. Hence the reaction of acetic acid with NaOH will be  NaOH +…

Q: ((C2H5)2NH , Kh = 6.9×10-4) by 0.248 M HNO3 at the following points. (a) Before the addition of any…

A: The question is based on the concept of titrations.   we are titrating  a weak base with a strong…

Q: Draw a titration curve for the reaction of CH3NH2 with HCL.

A: It is a titration of Strong acid Vs Weak base. Here, CH3NH2 is a weak base and HCl is a strong acid.…

Q: During a titration, how will rinsing the buret with water instead of NaOH affect the concentration…

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Q: How to make the titration curve of 0.1M HCl solution with 0.1 M NaOH solution.

A: The titration curve represents the graph between pH versus the amount of titrant (acid or base)…

Q: Consider the following indicators: dinitrophenol (pKIn = 3.5), bromothymol blue (pKIn = 7),…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: A mixture of NaOH and Na2CO3 requires v1 of 0.5HCLusing phenolphtalein indicator . The same amount…

A: When mixture of sodium hydroxide and sodium carbonate is treated with hydrochloric acid using…

Q: During the titration, 18.5 mL of H3PO4 solution is required to neutralise 122.6 mL of 1.9 M KOH…

A: Given, H3PO4 + 3KOH → K3PO4 + 3H2O Concentration of KOH solution = 1.9 M = 1.9 mol/L Volume of KOH…

Q: How would your experimentally determined vinegar concentration have differed if you had…

A: Here we need to discuss what would happen if the solution of vinegar (acetic acid) is over-titrated.…

Q: Total acidity of commercial white wine was determined by titration with 0.1512 M NaOH. A. Write the…

A: In this question, we have to write the balanced chemical equation between tartaric acid and NaOH.

Q: 65. Boric acid with sodium tetraborate and potassium chloride: Atkins and Pantin's Buffer Sorensen's…

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Q: How would you know which argentometric titration is best to use?

A: The process of determination of the content of the substance based on the precipitation reaction…

Q: This is an experiment of the analysis of vitamin C tablets . Which 3 titrations should I use for…

A: You should take those 3 values , which are close to each other

Q: 500 mL of 0.1019 M NaOH solution is left open immediately after preparation, and it absorbs 0,652 g…

A: When solution of acetic acid is titrated with NaOH solution using an indicator this is an example of…

Q: How to prepare 0,1 M citric buffer?

A: We aim to prepare 1 Liter of 0.1 M citric buffer, then chemicals required are- Sodium Citrate…

Q: why does a phenolphthalein can be used as an indicator in the Kjeldahl titration?

A: Phenolphthalein is an indicator used in acid-base titration to determine the equivalence point of…

Q: Why is bromophenol blue and not phenolphthalein used as an indicator for the antacid titration?

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