An unknown 32.7 % v/v reagent has a density of 1.773 g/mL. To determine the identity of this base, a 85.435-mL aliquot of the base was transferred to a 1.0000 L volumetric flask and diluted up to mark. The base solution was then titrated and it was found out that its concentration is 1.0000 M. What is the molar mass of the reagent?

Q: A)1.00 L solution containing 108.65 g of ammonium arsenide was mixed with 0.38 L of 2.5 molar…

A:

Q: Sodium hypochlorite (NaOCI) is a weak base made from reacting chlorine with a sodium hydroxide…

A: Given,Molarity of sodium hypochlorite ( NaOCl ) = 0.136 M                    volume of NaOCl = 53.0…

Q: A student titrated 30.5 mL of a 3.50 grams per liter monoprotic acid with 15.0 mL of 0.10 M NaOH…

A: From the details in the question, it can be inferred that the reaction molar ratio is 1:1. Since it…

Q: A student is asked to standardize a solution of barium hydroxide. He weighs out 1.00 g potassium…

A: The molarity of unknown solution can be determined based on the law of chemical equivalence.

Q: A sample of 5.00 mL of the HCI received from a tanker is diluted to 250 mL in a volumetric flask. A…

A: 5ml is taken from the tanker and diluted to 250ml. 30.18ml of 2.012M NaOH solution is needed to…

Q: An aqueous sample of 25.0 mL H2SO4 is neutralized by the addition of 28.9 mL of 0.203 M KOH.  What…

A: The neutralisation reaction taking place will be 2 KOH + H2SO4 ------> K2SO4 + 2 H2O

Q: Use floating decimal in your solutions but express all final answers to four (4) decimal places and…

A:

Q: 6. A solution is prepared by mixing 0.20 moles of aniline, C6HSNH2, (Ko = 3.9 x1010) and 0.30 moles…

A: Aniline and anilinium chloride form a basic buffer solution together. The concentration of aniline…

Q: An unknown solid acid with a molar mass of 146.28 g/mol was titrated with 24.10 mL of 1.101 M NaOH.…

A:

Q: If 48.1 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molar concentration or molarity (M) of a solution is defined as the number of moles of solute…

Q: Mark and John, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

A: Given: Mass of KHP = 0.540 g Molecular weight of KHP = 204.22 g/mol Purity of KHP = 99.4% Volume of…

Q: A titration flask contains 0.00405 moles of an acetic acid sample   a. Determine the moles of the…

A: The given number of moles of acetic acid is 0.00405 mol. The molarity of NaOH is 0.200 M. The…

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: sample of 0.720 g contains only NaHCO3 and Na2CO3. A student took 0.360 g of the sample and let it…

A:

Q: A 4.500-g sample containing sodium bicarbonate (NaHCO3, 84.01 g/mol) and other substances is…

A: We will use the balanced neutralization reaction to find out the moles of NaHCO3, that are getting…

Q: A student is asked to standardize a solution of sodium hydroxide. He weighs out 1.09 g potassium…

A: A) Given, mass of sodium hydrogen phthalate, (KHC8H4O4) = 1.09 g Volume of sodium hydroxide solution…

Q: How do I solve this 3 part question?

A: Mass of KHP = 1.372 g Volume of NaOH = 21.84 ml Density = 1.01 gml

Q: n analytical chemist weighs out 0.105 g of an unknown monoprotic acid into a 250 mL volumetric flask…

A: At equivalence point mole of standard solution is equal to the mole of unknown solution.

Q: A 15.5 mL sample of 0.215 M KOH was titrated with a weak acid. It required 21.2 mL of the acid to…

A: The Problem:Given: Volume of KOH = 15.5 mL                  ( 3 significant figures)Concentration…

Q: A single solution is prepared by mixing the following three solutions together: 12.35 mL of 0.1000…

A: When a solution is diluted by adding solvent or another solution, the final molarity of solution can…

Q: In a titration of HNO3, you add a few drops of phenolphthalein indicator to 50.00mL of acid in a…

A: The total volume of acid we have taken to finally reach the endpoint = 50 + 30 = 80 mL And the total…

Q: Determine the number of moles of citric acid per 240 mL of the vegtable juice.

A:

Q: An impure sample of potassium hydrogen phthalate (KHP) was titrated to determine the percent…

A: We will use stoichiometry of the reaction to get the answer.

Q: 3NaOH(aq) + FeCl3 3NaCl(aq) + Fe(OH)3(s) A. Calculate the volume of 0.200M FeCl3 solution needed to…

A: The balanced reaction taking place is given as, => 3 NaOH (aq) + FeCl3 (aq) ------> 3 NaCl…

Q: Calculate the concentration of the aqueous product that forms when 0.111 L of 0.017 M CaBr2 is added…

A:

Q: To a 25.00 mL volumetric flask, a lab technician adds a 0.375 g sample of a weak monoprotic acid,…

A: To a weak acid when strong base is added a buffer solution is formed. pH of the buffer solution can…

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: 2.10 g of an unknown metal bromide (MBr2, where M is the unknown metal) was treated with excess…

A: The reaction between a metal bromide (MBr2) and silver nitrate (AgNO3) results in the formation of…

Q: What mass of FeSO4.(NH4)2SO4. 6H2O is present in a sample if it is titrated to its equivalence point…

A: Given: Volume of  KMnO4    = 4.100 mL Concentration of KMnO4 = 0.100 N mass of FeSO4.(NH4)2SO4.…

Q: If 48.8 g of C₂H₅OH (MM = 46.07 g/mol) are added to a 500.0 mL volumetric flask, and water is added…

A: Molarity is the ratio of number of moles to that of the volume of the solution.

Q: What was the molarity of the KOH solution

A: Molarity = number of moles/volume of solution (in L)   Number of moles = molarity x volume

Q: ne molarity of

A:

Q: A stock solution of FD&C Yellow No. 5 (Tartrazine, 234.3 g/mol) was prepared by placing 5.16 g in a…

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Q: I want to know the source of this question( The name of the book with the edition) QI/ The calcium…

A: The determination of the concentration of a substance/ion in a solution has great significance in…

Q: To determine the concentration of a solution of sulfurous acid, a 150.0-mL sample is placed in a…

A: The balanced equation for the titration is,2KOH + H2SO3 → 2H2O + K2SO3Mole of KOH= 0.1463 M ×…

Q: A student determines the concentration of a NaOH solution by titration.   To do so, she titrates…

A: Given: The volume of CH3COOH = 20.00 mL The concentration of CH3COOH = 0.868 M The volume of NaOH…

Q: 3. A 0.4021-g sample of a purified organic acid was dissolved in water and titrated…

A: Given,Mass of pure organic acid = 0.4021 gVolume of NaOH solution = 18.62 mLConcentration of NaOH…

Q: The zinc content of a 1.42 g ore sample was determined by dissolving the ore in HCI, which reacts…

A: Given, mass of ore sample = 1.42 g.   The ore was dissolved in 150 mL of 0.600 M HCl, and the…

Q: Mark and John, two vinegar enthusiasts, are each tasked to determine the acetic acid content of…

A: Given: mass of KHP = 0.540 g Volume of KHP stock solution = 10.0 mL Volume of diluted KHP solution =…

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for