0.3872g of an unknown weak acid with general formula HY, was dissolved in water and made up to a 500mL in a volumetric flask. The measured pH of the solution was 3.90. In a separate titration experiment, the K₂ of HY was determined as 1.80 x 10-6. a) By finding the concentration and number of moles in the solution, determine the molar mass of the unknown acid HY. (5 marks)

Q: A 94.0 mL sample of 0.0300 M HIO, is titrated with 0.0600 M NaOH solution. Calculate the pH after…

A:

Q: A 20.6 mL sample of 0.377 M methylamine, CH3NH2, is titrated with 0.364 M perchloric acid. After…

A: Number of moles of   CH3NH2= M*V = 0.377 M* 20.6 mL = 7.7662 mmol Number of moles of HClO4 = M*V =…

Q: In the titration of a weak acid vsstrong base, 50.00mL base was required to reach equivalence point.…

A:

Q: Starting with 0.1 mol L−1 HNO2(aq), which one of the following operations would cause the pH of the…

A:

Q: A chemist is performing a titration in order to determine the amount of lithium hydroxide, LiOH(aq),…

A: Answer:The number of moles of any species in a solution is equal to the product of its molar…

Q: principle

A: Titration is an inherent part of qualitative analysis. In this technique, we use to measure the…

Q: An analytical chemist is titrating 117.6 ml of a 0.1300M solution of piperidine (C,HNH) with a…

A: mmoles of C5H10NH added = 117.6 x 0.13 = 15.288 mmoles  mmoles of HNO3 added = 15.4 x 0.81 = 12.474…

Q: In the laboratory, a general chemistry student measured the pH of a 0.558 M aqueous solution of…

A:

Q: Consider a buffer solution that consists of two separate components: the weak acid ch3coo aq), and…

A: In the given question, buffer of weak acid and its conjugate base is given i.e., CH3COOH and…

Q: Calculate the pH change that results when 11 mL of 5.1 M NaOH is added to 796 mL of each the…

A:

Q: You are studying a clear solution and you added the pH indicator methyl violet. The colour range of…

A: The color of a solution of pH 0.2 is needed to be determined on the addition of an acid-base…

Q: Calculate the pH of the resulting solution if 27.0 mL of 0.270 M HCl(aq) is added to 32.0 mL of…

A:

Q: The initial mass of the titrant bottle is 46.93 g and the pH is 4.94; after the addition of 3 drops…

A:

Q: A buffer solution was prepared by adding acetic acid and sodium acetate to prepare half a liter of…

A: Buffer solution are those solution whose pH is constant. The value of pH does not change even on…

Q: For a conductivity experiment a student mixed 25 mL of a .2 M HNO2 (4.5 x 10^-4) with 25 mL of a .2M…

A: Answer: This is a question based on salt hydrolysis where nitrite ion will hydrolyze in its aqueous…

Q: test the pH of a compound NaOH. So they made a solution with some solid NaOH and dissolved it into…

A: pH of solution= 13

Q: Calculate the pH change that results when 12 mL of 5.3 M NaOH is added to 768 mL of each the…

A: “Since you have posted a question with multiple sub parts, we will provide the solution only to…

Q: A student attempts to determine the buffer capacity of a solution by titrating 40.0 mL of solution…

A: No moles is determined by total volume added in the solution

Q: Determine the pH of each of the following solutions. (a) 0.246 M hydrocyanic acid (HCN) (weak…

A: In chemistry, pH ( "potential of hydrogen" or "power of hydrogen") is a scale used to specify the…

Q: The reaction of the weak acid HCN with the strong base KOH is HCN(aq) + KOH(aq) HOH(1) + KCN(aq) To…

A:

Q: A solution is prepared that is initialy 0.31M in trimethylamine (CH,),N), a weak base, and 0.27M in…

A: pH = -log[H+] Also pH = 14-pOH pOH = -log [OH-]  Kb is the base dissociation constant.

Q: An analytical chemist is titrating 247.0 mL of a 0.6700M solution of propionic acid (HC,H,CO,) with…

A:

Q: A 20.0 mL 0.150 M HF (aq) was titrated with 0.125 M KOH(aq) to convert all the initial acid to…

A: The pH of a solution helps us to determine the acidity or alkalinity of a solution. The pH is…

Q: In a titration of 41.34 mL of 0.3483 M ammonia with 0.3483 M aqueous nitric acid, what is the pH of…

A: When a strong acid is titrated with a weak base , pH of the solution at the equivalent point is pH =…

Q: An analytical chemist is titrating 191.3 mL of a 0.8900M solution of hydrazoic acid (HN,) with a…

A:

Q: Determine the volume in ml, of 1.0 M NaOH(aq) that should be added to 100 mL of 1.0 M HNO2( aq) in…

A: Given,The molarity of NaOH = 1.0 MMolarity of HNO2 = 1.0 Mvolume of HNO2 = 100 mLKa of HNO2 = 4.5 x…

Q: When 14.08 mL of 0.1594 M NaOH is added to 25.00 mL of 0.1235 M HX (an unknown weak acid), the…

A: Given, Volume of NaOH = 14.08 mL Molarity of NaOH = 0.1594 M Volume of unknown weak acid =25.00 mL…

Q: Given that Ka’s for hydrofluoric acid (HF) and boric acid (H3BO3) are 6.3 × 10^–4 and 5.4 × 10^–10,…

A:

Q: An analytical chemist is titrating 56.7 mL of a 0.4900M solution of formic acid (H,CO,) with a…

A:

Q: Determine the pH of each of the following solutions. (a) 0.549 M hydrogen peroxide (weak acid with…

A:

Q: An analytical chemist is titrating 160.2 mL of a 0.3300M solution of nitrous acid (HNO,) with a…

A: Given: The reaction is as follows: HNO2(g) + KOH(l)   ⇌  KNO2(aq) + H2O.  The volume of HNO2, (V1) =…

Q: An analytical chemist is titrating 88.8 ml. of a 0.4900 M solution of piperidine (C,HNH) with a…

A: When a strong base is added to a weak acid solution or a strong acid is added to a weak base, then…

Q: An analytical chemist is titrating 97.8 mL of a 1.100M solution of nitrous acid (HNO,) with a…

A:

Q: 2.500 g of an unknown achiral primary amine is dissolved in enough water to yield a 50.00 mL…

A: Given : mass of primary amine used = 2.500 g concentration of HCl used = 0.9250 M And volume of HCl…

Q: the titration of 0.100M acetic acid with 0.100M NaOH is described in the text. wha

A: Given volume of acid(acetic acid) = 0.100L  Concentration of acid(acetic acid) = 0.100M Volume of…

Q: What is the pH of the resulting solution

A:

Q: determine the K, for this acid.

A: Given :-  pH = 5.098  concentration of phenol = 0.597 M  To calculate :- Ka

Q: 0.54 gram sample of a solid acid is dissolved in a minimal amount of water and titrated to a…

A: It is an acid – base titration. The complete neutralization reaction is given below.

Q: A 0,400 g sample of monoprotic acid was titrated against a 0,05M solution of NaOH. If the end point…

A:

Q: Given that Ka’s for hydrofluoric acid (HF) and boric acid (H3BO3) are 6.3 × 10^–4and 5.4 × 10^–10,…

A: a) Given: Volume of HF=50 mL Concentration of HF= 0.2 M Concentration of NaH2BO3= 0.5 M Volume of…

Q: What is the pH at the equivalence point in the titration of 0.50 M KOH with 1.00 L of 0.750 M HF(aq)…

A: 1- First calculate the volume of KOH :  We will used the equation, ( M2V2)KOH = ( M1V1)HF  ( 0.50M ×…

Q: An analytical chemist is titrating 88.2 mL of a 0.2300M solution of nitrous acid (HNO₂) with a…

A:

Q: Carbonyls make the adjacent alkyl groups more acidic. However, the presence of electron withdrawing…

A: A question based on general chemistry that is to be accomplished.

Q: -2 What volume in milliliters of 9.850 x 10 M sodium hydroxide solution is required to reach the…

A:

Q: Determine the pH of a buffer solution by constructing an ICE table, writing the equilibrium constant…

A:

Q: A chemistry graduate student is given 125.mL of a 0.40M ammonia NH3 solution. Ammonia is a weak base…

A:

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.