An analytical chemist weighs out 0.127 g of an unknown triprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.0900M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 43.2 mL of NaOH solution.

Q: If you find that a 69.8 mL sample of vinegar requires 120.31 mL of a 0.504 M solution of NaOH for…

A: To calculate the amount of acetic acid in the vinegar sample, we can use the following balanced…

Q: 4. The titration of 10.00 mL of a diprotic acid solution of unknown concentration requires 21.37 mL…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: A chemist weighs out 0.138 grams of an unknown diprotic acid into a 222 volumetric flask and makes a…

A: Answer:- This question is answered by using the simple concept of calculation of molar of the…

Q: An analytical chemist weighs out 0.054 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: A 25.00 mL volume of 1.637 M sulfuric acid is titrated with potassium hydroxide. At the equivalence…

A: Molarity = Moles of solute/Volume of Solution(in L) Moles of Solute = Molarity x Volume of…

Q: A chemistry student weighs out 0.146 g of citric acid (H,C,H,O,), a triprotic acid, into a 250. mL…

A:

Q: A chemistry student weighs out 0.155 g of lactic acid (HC,H,O3) into a 250. mL volumetric flask and…

A: Lactic Acid is:- HC3H5O3 The molar mass of lactic acid is :- 90.08g/mol Weight of Lactic acid used =…

Q: The antacid "Brand X" was titrated using 0.3 M HCl. The buret reading was initially 0.68 mL. After…

A: Volume of HCl = Final buret reading - initial reading

Q: 30 mL of an unknown concentration of phosphoric acid (triprotic) was titrated with 10 mL 0.05 M…

A: We have to predict the concentration of the acid

Q: A 0.392 g sample of a monoprotic acid is dissolved in water and titrated with 0.120 M KOH. What is…

A: We have to calculate the molar mass of acid.

Q: An analytical chemist weighs out 0.047 g of an unknown monoprotic acid into a 250 mL volumetric…

A: We have to calculate the molar mass of the unknown acid.

Q: A 25.0 mL volume of HCl solution of unknown concentration is titrated with a 0.154 M NaOH solution.…

A:

Q: A 9.32 mL sample of nitric acid required 13.25 mL of  0.104 M strontium hydroxide for titration.…

A: At the endpoint of the acid-base titration,…

Q: To a 25.00 mL volumetric flask, a lab technician adds a 0.450 g sample of a weak monoprotic acid,…

A: Answer:- This question is answered by using the simple chemical reaction between acid and base. Then…

Q: 0.644 g of wood bleach, which contains oxalic acid, H2C2O4, was placed in an Erlenmeyer flask.  The…

A: The molar mass is the sum of the mass of each element. The molar mass of hydrogen, carbon, and…

Q: A group of students working in a chemistry lab is planning a procedure to neutralize 25.0mL of 2.0 M…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

Q: concentrated sulfuric acid. The sulfuric acid reacts with the copper(II) carbonate to produce a blue…

A: The question is based on reaction Stoichiometry. we have to determine the concentration of copper…

Q: A student titrates a weak acid with 0.100 M NaOH, adding 31.65 mL before a dark pink color is seen.…

A: The mole of H+ ion the weak acid is equal to the mole of NaOH used in the titration.  The molarity…

Q: 25 mL of acetic acid was titrated 0.1 M NaOH. The titration required approximately 20.00 mL of NaOH…

A: Given,molarity of NaOH = 0.1 MVolume of NaOH = 20.00 mLVolume of acetic acid = 25 mL

Q: A 1.146 g sample of weak acid is dissolved in 164.2 mL of water and titrated with 0.248 M NaOH to…

A: Given, mass of weak acid = 1.146 g Volume of weak acid = 164.2 mL Concentration of NaOH = 0.248 M…

Q: An analytical chemist weighs out 0.244 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

Q: The molar concentration of an unknown acid solution with general formula H3A is to be determined by…

A: Given Molarity of KOH=0.72 M Volume of KOH=33.33 ml Volume of H3A =17.363ml To determine the…

Q: A 35.00 mL volume of formic acid is titrated with 0.1428 M potassium hydroxide (KOH). If 24.39 mL…

A: Given: The concentration of potassium hydroxide (KOH)=0.1428 M The volume of potassium hydroxide…

Q: An analytical chemist weighs out 0.461 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: The molar mass of an unknown acid is to be calculated from the given data. Given: Mass of unknown…

Q: 12.00 mL of lemon juice containing citric acid is placed into an Erlenmeyer flask to which 2 drops…

A: Given data

Q: A titration of 25.00 mL sample of a hydrochloric acid solution of unknown molarity reaches the…

A: Acid reacts with base to form salt and water. This reaction is known as neutralization reaction.

Q: What is the HOCl concentration in a solution prepared by mixing 46.0 mL of 0.190 M KOCl and 46.0 mL…

A: KOCl and NH4Cl dissociate in water to form the following ions. KOCl(s) →water K+(aq)  +…

Q: A student titrates a weak acid with 0.100 M NaOH, adding 34.84 mL before a dark pink color is seen.…

A: Calculation of no. of mol of NaOH: No. of mol=Molarity×Volume=0.100 mol/L×34.84×10-3 L=3.484 ×10-3…

Q: A 10.00 mL sample of a Ca(OH)2 solution is diluted to 250.0 mL total volume. A 25.0 mL sample of the…

A: The balanced equation isCa(OH)2 + 2 HCl ----> CaCl2 + 2 H2OGiven thatvolume of Ca(OH)2 sample =…

Q: The antacid "Brand X" was titrated using 0.3 M HC. The buret reading was initially 1,71 mL. After…

A: The sample here was titrated using 0.3M HCl. Initial and final burette readings are also given.…

Q: A researcher is tasked with analyzing pet food samples for total nitrogen by the Kjeldahl method. A…

A: The question is based on the concept of analytical chemistry. we need to calculate mass percentage…

Q: A chemistry student weighs out 0.0377 g of acrylic acid (HCH,CHCO,) into a 250. mL volumetric flask…

A: The solution is given below -

Q: The antacid "TUMS" was titrated using 0.3 M HCl. The buret reading was initially 2.94 mL. After…

A: Given: Initial Burette reading = 2.94 mL Final Burette reading = 21.81 mL To Find: The volume of HCl…

Q: A 15.00 mL sample of aqueous carbonic acid solution of unknown concentration requires titration with…

A: Number of moles = concentration x volume n- factor =2 for carbonic acid. n- factor=1 for sodium…

Q: Titration of a 20.00 mL sample of acid rain required 4.13 mL of 0.08424 M KOH to reach the end…

A: The given reaction is, H2SO4- + 2KOH -----> K2SO4 + 2H2O This means that 2 moles of KOH is…

Q: A 30.00 ml sample of carbonic acid is titrated to the endpoint with a 0.1000 M potassium hydroxide…

A: Given data,Volume of carbonic acid=30.0mL=0.030LMolarity of KOH=0.100MInitial reading=13.04mLFinal…

Q: A student place 3 mL of a hydrochloric acid solution in an Erlenmeyer flask. She then added 24.6 mL…

A: DI water is the solvent. Addition of the solvent does not show impact on the concentration of HCl.…

Q: A chemistry student weighs out 0.0310 g of phosphoric acid (H, PO,), a triprotic acid, into a 250.…

A: Given values-> Weight of H3PO4 = 0.0310 gm Volume of H3PO4 = 250 ml Molarity of NaOH= 0.1900 M

Q: When titrating a 0.4444 g sample of KHP (molar mass = 204.2 g/mol), it took 18.54 mL of sodium…

A:

Q: the ascorbic acid found in one 500.0 mg tablet. What is the percent vitamin C by mass in the tablet?

A:

Q: In an aqueous mixture made up barium chloride and magnesium chloride, what is the identity of the…

A:

Q: 13.07 ml of an Unknown Acid titrated with 24.03 ml of a Base standardized to 0.10000M. What is the…

A:

Q: Suppose that while titrating a vinegar sample you suddenly realize that you forgot to add the…

A: The question is based on the concept of titrations. we need to predict the effect of indicator and…

Q: A 0.307-g sample of an unknown triprotic acid is titrated completely using 35.2 mL of 0.106 M NaOH.…

A:

Q: An analytical chemist weighs out 0.066 g of an unknown monoprotic acid into a 250 mL volumetric…

A: Given:-analytical chemist weighs = 0.066 gMolarity = 0.1700MV = 8.4 mLCalculate molar mass of the…

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.