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

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Q: An analytical chemist weighs out 0.203 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: The point that appears in the titration curve, where the number of moles of an acid and the number…

Q: An analytical chemist weighs out 0.032 g of an unknown monoprotic acid into a 250 mL volumetric…

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 student is trying to determine the molar mass of an unknown weak, monoprotic acid. A solution of…

A:

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: The buret is filled with 0.1475 M NaOH. The beaker has 25.00 mL of 0.1276 M HCl. Predict what…

A: Solution:

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

A:

Q: sample Own oncentration, with phenolphthalein as an indicator. t was titrated to the end point with…

A: Molarity is the number of moles of solute present per litre of solution.

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: An analytical chemist weighs out 0.165 g of an unknown triprotic acid into a 250 mL volumetric flask…

A: The unknown acid is triprotoic acid, hence the balanced chemical reaction between the acid and NaOH…

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 titration required 22.30 mL of 2.567 M Sr(OH)2 to neutralize 6.50 g of an unknown diprotic acid.…

A: For Sr(OH)2 solution,Concentration of Sr(OH)2 solution = 2.567 M = 2.567 mol/LVolume of Sr(OH)2…

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: An analytical chemist weighs out 0.130 g of an unknown monoprotic acid into a 250 mL volumetric…

A:

Q: A 5.00 mL sample of 0.25 M HBr solution is titrated with 0.35 M NaOH. What volume of NaOH is…

A: We should equal equivalent of both acid and NaOH ion to volume of NaOH Equivalent =…

Q: A 30.0ml sample of lithium hydroxide was mixed with 25.0 ml of a 0.250M solution of calcium…

A:

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: An analytical chemist weighs out 0.099 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: The point in the titration curve, where the moles of acid and the moles of the base are equal in…

Q: An analytical chemist weighs out 0.102 g of an unknown diprotic acid into a 250 mL volumetric flask…

A:

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: A 0.8159 g sample of HCl was placed into a 50 mL volumetric flask and the sample was thoroughly…

A:

Q: An analytical chemist weighs out  0.149g  of an unknown diprotic acid into a  250mL  volumetric…

A: Answer:- This question is answered by using the simple concept of stoichiometry using balanced…

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: 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: 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: A 0.4574 g sample containing only NaCN and KCN requires 41.65 ml of 0.1056 M AgNO3 for titration.…

A:

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: You have a solution of NaOH of unknown concentration.  A 15.98 mL sample of the NaOH solution was…

A: Concentration of NaOH = To be determined Volume of NaOH = 15.98 mLMolarity of HNO3 = 0.377 MVolume…

Q: An analytical chemist weighs out 0.278 g of an unknown diprotic acid into a 250 mL volumetric flask…

A: Given-> Weight of diprotic acid = 0.278 gm Volume of flask= 250 ml = 0.250 L (1 L = 1000 ml)…

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: 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: in a titration to determine the concentration of hydronium ions in a test solution, the test…

A: Given: In a titration to determine the concentration of hydronium ions in a test solution: The test…

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…

Q: In a laboratory experiment, a student is conducting a titration.  In this titration, a 0.250 M…

A: Given: The molarity of the NaOH solution = 0.250 M The volume of the HCl solution taken = 30.0 mL…

Q: A 30.00 ml sample of phosphoric acid is titrated with a 0.050 M magneisim hydroxide solution.  The…

A: Given: Volume of sample = 30.00 mLInitial buret reading = 4.71 mLFinal buret reading = 31.09…

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.