Explain the role of phenolphthalein in the standardization of NaOH with KHP

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A: Benzoic acid being an carboxylic  acid which is aromatic in nature and hence used in preservative in…

Q: calculate the number of moles of sodium thiosulphate (vi) needed to react with iodine liberated…

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Q: Put Yes for the components and NO if the component is not present. a1. NaOH a2. NaHCO3 a3. Na2CO3…

A: The solution is as follows:

Q: 1. Eugenol is the active ingred point of a solution in which 0 (Kn benzene= 2.53 °C /m; Tr

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Q: Sodium bicarbonate CANNOT be analyzed when paired with sodium hydroxide. Which of the following…

A: Here we are required to explain the phenomenon that sodium bicarbonate Cannot be analysed when…

Q: A mixture of sodium carbonate and sodium bicarbonate is dissolved in water and treated with 0.100 M…

A: For the mixture of Sodium Carbonate and Sodium bicarbonate With Phenolphthalein end point, the…

Q: Sodium bicarbonate CANNOT be analyzed when paired with sodium hydroxide. Which of the following…

A: Interpretation- We have to explain which of the following is correct statement when sodium…

Q: 15. 1) Make a table showing the physical properties (molecular mass, m.p or b.p., solubility,…

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Q: a. Atropine sulphate 1.2% Boric acid q.s. Purified water q.s. ad 15ml M. ft. ophth. sol. Calculate…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Sodium bicarbonate CANNOT be analyzed when paired with sodium hydroxide. Which of the following…

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Q: (1) Could you separate the components of a mixture of Mg(OH); and Zn(OH); by using 3M HCI? Briefly…

A: A mixture of inorganic salts can be separated if  1. salts are insoluble in nature in both water or…

Q: 1) Which of the diet sodas have the highest concentration of caffeine? Which standard best reflects…

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Q: what is the use of vinegar and baking soda in the extraction of caffeine

A: When vinegar and baking soda is used in extraction of caffeine ,they react and following gas…

Q: please do this typewritten so I will upvote and skip this if you already did this. the big number on…

A: Solution: We acid base chemistry it's simply by in titrimetric analysis. In which either acid or…

Q: How do the reactions of phenol samples with FeCl3compare? Which structural component of the phenols…

A: Since we only answer one question at a time, we'll answer the first one. Please resubmit the…

Q: Calculate the Ksp for each of the salts whose solubility is listed below. MgF2 = 1.42 x 10-3 mol/L

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Q: Note the following indicators and their endpoints: Thymolphthalein (9.9) Resazurin (5.1) Phenol…

A: Indicators are the chemical species which show characteristic color in a solution for the…

Q: Consider the Ksp values of the following difficultly soluble salts: a. Ag2(CrO4)   :   Ksp=1.2x10−12…

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Q: Sodium bicarbonate CANNOT be analyzed when paired with sodium hydroxide. Which of the following…

A: NaHCO3 can act as acid as well as a base, Because of its bicarbonate anion (HCO3–) amphoteric…

Q: In which of the following solutions will nitric acid ionize less than in pure water?     sodium…

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Q: In which solvent will lauric acid (CH3(CH2)10COOH), the primary component of coconut oil, dissolve…

A: Lauric acid is one of the members of carboxylic acids. It is one of the primary components of…

Q: Explain why benzocaine precipitates during the neutralization.

A: Under acidic conditions, the amine group on benzocaine is protonated. This introduces a positive…

Q: Calculate the Ksp for each of the salts whose solubility is listed below. AgC2H302 = 2.02 g/100 mL

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Q: Calculate the equivalence factor (F) of the KF reagent if a 180 mg sample of sodium tartrate…

A: Mass/weight = 180 mg Volume = 15 ml Equivalence factor (F) = ?

Q: Following titration analysis, a sample of a fruit juice was found to contain 8.9 mg cm-3 ascorbic…

A: Given data: Amount of ascorbic acid in the sample = 8.9 mg/cm3 Molecular weight of ascorbic acid =…

Q: In the workshop, a sol of Prussian blue was obtained by the peptization method. Which group -…

A: Introduction :  Peptization : Peptization may be defined as the process of converting a precipitate…

Q: -2 What is the mdaritg of la30 XlO of Oxalic acid (HacaDy 2Hg0) in 250 mL öf Solution 7 प्च तऽ छ

A: Given: Mass of oxalic acid (H2C2O4.2H2O) = 6.30×10-2 g. Volume of solution = 250 mL Molar mass of…

Q: If 1.232g of KHP reqire 28.36 mL of Na OH solutian to reach the equiralence point. What is the molar…

A: Balanced Reaction KHP(aq) + NaOH (aq) --> NaKP (aq) + H2O(aq)  Mass of KHP = 1.232 g Molar mass =…

Q: . What made an ashless filter paper ashless? 2.What type of precipitate is BaSO4?

A: In a chemical reaction, when a insoluble solid substance is formed this process is called…

Q: What are the findings of Lahdenpaa et al. (1997) in using standard-grade Avicel® PH 101?

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Q: In Part A, the mass of KHC,H,O, is measured to the nearest 0.0001 g. However, the volume of water…

A: The explanation for the following is:

Q: Why is it important to keep the NaOH solution stoppered at all times when it is not in use?

A: We have to tell the reason that why NaOH solution is to be kept stoppered at all times when it is…

Q: Calculate the Ksp  the following compounds, given their molar solubilities.   Mg3 (PO4)2,…

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Q: This should be displaced from tips of buret before titration 2. The chemical name of a weak…

A: Given: 1. This should be displaced from tips of buret before titration 2. The chemical name of a…

Q: NaCl equivalent of a 1% solution of pilocarpine nitrate

A: In this question we have to calculate NaCl equivalent of 1% solution of pilocarpine nitrate. Also we…

Q: whether the following expressions for the solubility product of the given compounds are true or…

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Q: How many grams of sodium hydroxide (M.wt-58.5) can be added to 2.5 liter of a solution mixture of…

A: Given information, M.wt of NaOH = 58.5 g/mol Volume of mixture = 2.5 L Concentration of ammonia =…

Q: Which of the following is not standardized against sodium carbonate? a) H2SO4 b) NaOH c) HCl…

A: Which of the following is not standardized against sodium carbonate? a) H2SO4 b) NaOH c) HCl Which…

Q: A solution contains KHCO3, K2CO3 and KOH either alone or in permissible combination. A 50.0 mL…

A: As KHCO3 , KOH, K2CO3 all are base  and  when these are treated by HCL.

Q: One mL of an unknown solution is placed in a test tube and a few drops of NaOH are added and shaken…

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Q: What is the result when these samples are mixed with 5 mL strong alkali NaOH then 1ml ethanol a.…

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Q: Which of the diet sodas have the highest concentration of caffeine? Which standard best reflects…

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Q: Solvent Isotonic Hypertonic Hypotonic What is Iodine used to detect? Describe the assay/test. What…

A: Solution- A homogeneous mixture of two or more substance is known as solution.

Q: What is the equivalence point volume of 0.140 M NAOH required to neutralize 75.0 mL of 0.350 M HC1?…

A: Concentration of NaOH=0.14M  Volume=75mL Concentration of HCl=0.35M

Q: solution contains a mixture of Na2CO3 and NaOH. Using phenolphthalein indicator 25 mL of mixture…

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Q: 5) If 1 CN- ion kills 10 cancer cells, how many cells would be killed by drinking 25 ml of a…

A: Solubility product is expressed for sparingly soluble salt and Ksp  is product of concentration of…

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.