What is the purpose of an indicator in titration? Group of answer choices To initiate the reaction of the solutions To signal the endpoint of the reaction To speed up the reaction of the solutions To lower the concentration of the solutions

Q: Calculate the pH of the solution after the addition of each of the given amounts of 0.0530 M HNO, to…

A: We have to calculate the pH of solution

Q: A 25.0 mL volume of a sodium hydroxide solution requires 19.6 mL of a 0.189 M HCl solution for…

A: The objective of this question is to calculate the concentration of the phosphoric acid solution…

Q: Exp. 4 Part 2 Titration of a Solution containing Ca(s) and Water Titrant: 0.30 MHC1 Data Trial 1…

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Q: A NaOH solution of unknown concentration is titrated with 0.150 M HCl. 22.94 mL of the titrant is…

A: NaOH and HCl react to form NaCl and H2O. The balanced chemical equation is given below: the…

Q: The end point (or equivalence point) of an acid-base titration where HCI is titrated with NaOH…

A: The correct answer about the equivalence point of the titration between HCl and NaOH is given below

Q: Consider a solution that contains 0.294 M potassium chloride and 0.21 M magnesium chloride. What is…

A: When a strong electrolyte is dissolved in water, it dissociates completely. But this does not happen…

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: 50.0 mL sample of 0.10 m HCl is titrated to the end point buy 30.0 mL of NaOH. What is the…

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Q: What is the concentration of the unknown HCl solution in M?

A: Formula for titration :-  Macid × Vacid = Mbase × Vbase

Q: If 22.0 mL of potassium hydroxide solution required 16.4 mL of 0.150 M HCl solution for…

A: In acid-base reaction  At equivalents point  moles of acid = moles of base  Hence  Ma Va   =   Mb Vb…

Q: Your job is to determine the concentration of ammonia in a commercial window cleaner. In the…

A: Equivalence point of titration is the point where the number of molesof acid are equal to the number…

Q: The pH of Liquid X is 4.8. Liquid Y cannot drop below pH of 6.5 before being ruined and it has a pH…

A: pH of the solution describes the amount of proton H+ or the hydronium ion H3O+ present in the…

Q: 47. Four solutions of unknown HCl concentration are titrated with solutions of NaOH. The following…

A: Given , HCI is titrated with NaOH solution.

Q: The indicator thymol blue changes from red to yellow between pH 1.2 and pH 2.8. If thymol blue is…

A: The objective of the question is to determine the pH and nature (acidic, basic, or neutral) of a…

Q: Which of the following is FALSE about an indicator? * O Indicators neutralize bases. O Indicators…

A: first option is false as an indicator neutralises acids as well as base   indicators depend on pH.…

Q: A NaOH solution of unknown concentration is titrated with 0.525 M HCl. 36.78 mL of the titrant is…

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Q: The concentration of acetate ions in a 0.300 M solution of aluminum acetate is _____ M.

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Q: the reaction of a strong acid with a strong base produces a salt and another product what is the…

A: We need to determine the products of reaction between strong acid and strong base.

Q: A 0.403 g sample of KHP will be titrated with a NaOH solution with an assumed concentration of 0.100…

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Q: A 25.0 mL volume of HCI solution of unknown concentration is titrated with a 0.100 M NaOH solution.…

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Q: 1) A 45 mL sample of 0.175 M KOH is titrated with 0.200 M HI. a. Find the initial pH of the 0.175 M…

A: 'Since you have posted a question with multiple subparts, we will provide the solution only to the…

Q: A 25.0 mL volume of HCl solution of unknown concentration is titrated with a 0.172 M NAOH solution.…

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Q: What is the concentration of the unknown HCl solution in M?

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Q: Selection of suitable indicator or choice of indicator-Define

A: In the quantitative analysis, volumetric titration, the significant pH change occurs near or at the…

Q: Ionic compounds where the solubility increases in basic solution normally form __________ with…

A: The ionic compounds where the solubility in basic solution normally form what with hydroxide ions…

Q: A 25.0 mL sample of 0.105 M HCl was titrated with 32.5 mL of NaOH. What is the concentration of…

A: One mole of HCl requires 1 mole of NaOH. The moles of HCl are first calculated.

Q: Select the statements that correctly describe a buffer. O The pH of a buffer solution does not…

A: A buffer solution is an aqueous solution that consists of a mixture of a weak acid along with a…

Q: A(n) _____ is a solution characterized by the ability to resist changes in pH when limited amounts…

A: pH is defined as the negative logarithm of the H+ concentration.  pH of the acid is less than 7 pH…

Q: A fresh sample of orange juice had a pH of 3.8. A small chunk of dry ice was added to the orange…

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Q: What two quantities are equal at the endpoint of a titration of an antacid? O number of molecules of…

A: When a titration occurs, we titrate a base with an acid or vice-versa. At the end point,generally…

Q: Select the correct description of an indicator. a compound that changes color in the presence of a…

A: The objective of the question is to identify the correct description of an indicator in the context…

Q: Question 2 a. What is the use of an indicator in acid-base titration? b. Give an example of an…

A: a. In the acid-base titration, the end point of titration can be detected by indicator. While…

Q: The indicator thymol blue changes from red to yellow between pH 1.2 and pH 2.8. If thymol blue is…

A: The objective of the question is to determine the pH and nature (acidic, basic, or neutral) of a…

Q: The titration of 25.0 mL of an unknown concentration HCl solution requires 95.0 mL of 0.12 M LiOH…

A: The concentrations and volumes of an acid and a base undergoing titration is given as:…

Q: Give examples from the table below that would be best acid base indicator to use for the following…

A: ( By the given table )  Strong acid , strong base  – methyl violet , alizarin yellow Weak acid,…

Q: Which of the following combinations of chemicals makes a buffer? Mark all that apply. (Identifying…

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Q: In solving an equilibrium reaction for polyprotic acid, what is the most important consideration?

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Q: If 11.90 mL of 0.775 M KOH is required to titrate the unknown acid to the equivalence point, what is…

A: The reaction between an acid and a base to make a salt and water is a common reaction. An acid-base…

Q: What would happen if MgCl2 were added to water?     A   It would dissolve     B   It would not…

A: General solubility guidelines for ionic compounds in water are given below

Q: When titrating a strong acid with a strong base, the equivalence point is reached when: Select one:…

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

Q: An acid-base indicator, HIn, is blue in acid and yellow in base. Which of the following is TRUE? HIn…

A: The equilibrium reaction of an indicator(HIn) in acidic and basic medium is: HIn(aq) ⇌ H+(aq) +…

Q: Which type of substance ionizes completely and creates hydronium ions when dissolved in water?…

A: The  hydronium ions, H3O+, are formed when the H+ ions of acid combine with the water. Weak acids or…

Q: As the concentration of KC1 in a solution increases, the solubility of KHTar ____________ because

A: Le-Chateliers principle: If a system at equilibrium is subjected to a change in one or more…

Q: Select ALL of the following that can be determined from the titration of a strong, monoprotic acid…

A: In acid base titration , a standardized base solution is titrated with a known Volume of acid to…

Q: A 25.00 mL sample of unknown sulfuric acid solution requires 22.62 mL of a 0.100 M NaOH to reach the…

A: First we need ta balance reaction between Sulfuric acid and NaOH. Then using the molarity and volume…

Q: QUESTION 4 Standardizing a solution of sodium hydroxide for our acid-base titration experiment means…

A: Standardisation is a process in which concentration of unknown substance is determine from known…