Q: In a Back titration of sodium carbonate with sulfuric acid and sodium hydroxide, how would I…
A: Back titration is a method of identifying the concentration of analyte whoes reaction with titrant…
Q: What happens when a non-standard titrant is used in the titration of an unknown sample? a - The…
A: Titration is a method to determine the concentration of an unknown solution by using the solution of…
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: The function of the acetate ion in an acetate buffer is to react with added ______ (acids or bases).
A: Acetate buffer is the equimolar amounts of acetic acid (CH3COOH) and sodium acetate (CH3COO-Na+).…
Q: During the titration of acetic acid solution with standard NaOH using phenolphthalein, the end point…
A: The question is based on the concept of titrations. we have to observe the effect on molarity of…
Q: Calculate the volume of 1.00M acetic acid and mass of sodium bicarbonate needed to make 50.0ml of a…
A:
Q: Why do we titrate medications
A:
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: What is the purpose of adding KI and HCl in the solution before titration?
A:
Q: uring the "salting-out" process in an extraction procedure, the replaces the in the
A: During Salting out procedure we use certain salts like magnisium chloride etc which help in…
Q: Can you rinse the tip of buret with water in the course of titration? Explain.
A: Solution - Yes you rinse the tip of buret with water in the course of titration To remove an air…
Q: How can you determine the acid dissociation constant of an unknown weak acid using the…
A: In the potentiometric titration, the hydrogen concentration is calculated using glass electrode and…
Q: Select the buffer solution that is most effective in neutralizing added acid.
A: A solution which changes slightly only when an acid or a base is added such a solution is called as…
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: Why a mixture of HCl and KCl does not function as a buffer where as a mixture of CH3COOH and…
A: Buffer solutions are those solutions that resist the change in pH upon the addition of a small…
Q: What is the purpose of titration? What is the purpose of phenolphthalein? Why is phenolphthalein…
A: SOLUTION (1.) : Titration (also known as titrimetry and volumetric analysis) is a common…
Q: acid base titration
A: In this question we have to explain that how does a redox titration differ from an acid base…
Q: Would you recommend adding the phenolphthalein and methyl orange indicators together at the start of…
A: In titration the equivalence point is known with the help of indicator which changes its color at…
Q: how much NaOH would be needed to overwhelm the buffer?
A: Given that, 40.0 mL of 0.80 M of acetic acid was titrated with 0.30 M of NaOH. Initially, 22.0 mL…
Q: What ratio of CH₃NH₂ to CH₃NH₃⁺ is needed to prepare a pH 10.30 buffer? (Kb for CH₃NH₂ is 4.4 ×…
A:
Q: EXPLAIN THE CITRATE TEST. INClUDE THE ENZYMES REQUIRED TO BREAKDOWN CITRATE. EXPLAIN THE COLOR…
A: The citrate test detects the ability of an organism to use citrate as the sole source of carbon and…
Q: Sketch the titration curve for the titration of carbonic acid with sodium hydroxide.
A:
Q: Calcium bicarbonate During the Antacids as Buffers simulation, it was found that calcium carbonate…
A: The given statement is during the antacid as Buffer simulation, it was found that calcium carbonate…
Q: A 0.50 mL human saliva sample was placed in a 100-mL volumetric flask and was diluted to mark with…
A: Given that, a 0.50 mL of human saliva sample was placed in a 100 mL volumetric flask and was diluted…
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: 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 would have happened in the titration if the phenolphthalein or thymolphthalein was not added to…
A: 1) To explain: The effect of not adding the indicator phenolphthalein or thymolphthalein to the…
Q: 22. How much sodium formate (HCOONa), in gram, do you need to add to 400. mL of 1.00M formic acid…
A: [Formic acid] = 1.00 M pH of the buffer = 3.5 Ka = 1.77x10-4 Molar mass of HCOONa = 68.01 g mol-1…
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 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: What is the purpose of adding phenolphthalein to the acid prior to titration? (What would happen if…
A: In the acid-base titrations, phenolphthalein is used as an indicator. When the endpoint is reached…
Q: Write an introduction for the titration of acetic acid with NaOH and for the titration of Polyprotic…
A:
Q: In the case of over-titration, what should be done to the sample? Select one: a. Dilute the sample…
A:
Q: Why did the titrations performed need to be started immediately after adding the sulfuric acid?
A: The reaction of IO3- coming from thiosulphate with KI it releases I2 gas ,when H2SO4 is added, so to…
Q: What is the best sequence of steps for filling the burette with NaOH for a titration? O Lower the…
A: Burette is a laboratory equipment used in the titration experiments. It has a thin tube like…
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: Draw the detailed titration curve for nicotinic acid
A: Nicotinic acid is a weak monoprotic acid. When it titrated against strong base, initially the pH is…
Q: During a titration, how will rinsing the buret with water instead of NaOH affect the concentration…
A:
Q: the importance of a buffer system in the human body?
A:
Q: For each titration, predict whether the equivalence point is less than, equal to, or greater than pH…
A:
Q: Use the titration curve to calculate the pKa of HA when 5.00 mL of NaOH has been added
A: When a strong base is added to a weak acid, it forms a buffer solution. The pH of a buffer solution…
Q: What is the difference between 1X and 5X buffer solution that have the same recipe?
A: The strength of a stock solution is expressed with the symbol X. This notation is more beneficial to…
Q: A 0.150 M NaOH solution is being used to titrate 50.0 mL of a 0.150M ascorbic acid solutic a. What…
A:
Q: What ratio of CH₃NH₂ to CH₃NH₃⁺ is needed to prepare a pH 10.20 buffer? (Kb for CH₃NH₂ is 4.4 ×…
A:
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: why are equivalence points on a titration graph equally spaced along the horizontal axis
A: A question based on acid base titrations that is to be accomplished.
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: The titrant in Graph A is a The titrant in Graph B is a The sample solution in Graph A is a The…
A: Titration of strong acid vs strong base. Example: HCl vs NaOH
Q: Explain how to use a pH titration curve to determine the acid dissociation constant of an unknown…
A: WE HERE TAKE THE EXAMPLE OF TITRATING ACETIC-ACID VS NaOH AND FROM HERE AT HALF EQUIVALANCE POINT…
- Why starch indicator is added during the titration rather adding it before the titration?
Step by step
Solved in 3 steps with 3 images
- why is it not always necessary to refill the buret after every titration?What is the purpose of titration? What is the purpose of phenolphthalein? Why is phenolphthalein traditionally used in titrations?What factor affects the ‘strength’ of a buffer? Why was benzoic acid used as a solvent when making up the glucose stock standard solution?
- Which one of the following is NOT a source of error during a titration? Group of answer choices Adding too much sodium hydroxide solution to the analyte Refilling the buret during a titration trial Rinsing the buret with the analyte Adding indicator to the analyteWhat precipitate is formed when you add HCl to an extraction of NaOH?A. The sodium hydroxide solution was not mixed thoroughly after diluting with deionized water. B. A student fails to swirl the Erlenmeyer flask during the addition of NaOH solution during the titration.
- Briefly explain why starch TS is added near end-point during iodometric titrations.1.What would have happened in the titration if the phenolphthalein or thymolphthalein was not added to a sample solution? 2. Which of these would NOT be an appropriate solution for titration a basic solution? (Options are Sulfuric Acid Acetic Acid Nitric Acid Hydrochloric Acid 3.Why phenolphthalein is a suitable indicator in the titration of a strong acid with a strong base?
- What happens when a non-standard titrant is used in the titration of an unknown sample?a - The volume of the acid used will not be accurate.b - The normality of the acid used will not be accurate.c - The weight of the analyte will not be accurate.d - It will not matter.Why did the titrations performed need to be started immediately after adding the sulfuric acid?what happens when you add deionised water as buffer solution