The flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.160 M NaOH. It requires 11.3 mL of the NaOH solution to reach the end point of the titration.   What is the initial concentration of HCl?

Q: A 10.00 mL of vinegar solution is titrated with 39.0 mL of 0.20 M NaOH.The calculated mass percent…

A: We have to calculate the density of vinegar .

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 aspirin sample, 0.62 grams, was titrated with 28 mL of 0.105 M NaOH solution. What is the percent…

A: The Question is Based on experimental Chemistry . We have to calculate percentage purity of the…

Q: Standardized NaOH (M) 0.4102 Initial volume of buret (mL) 0.90 Volume of vinegar (mL) 10.00…

A: The balanced equation for the reaction between acetic acid and NaOH is  CH3COOH + NaOH…

Q: 9.15 mL of 0.119 M N

A: Molarity is the number of moles of solute dissolved in per liter of solution. It is denoted as M.

Q: n, 12.83 mL of a 2.500 M HCl solution was used to neutralize 10.00 mL of a Ba(OH)2 solution.  What…

A: Acid-base titrations are carried out to find out the concentrations of unknown acids in chemical…

Q: In the case of volumetric analysis the analyte is: the solution of known concentration O titration…

A: The measurement of the volume of the solution whose concentration is known to us in order to…

Q: In the titration of 10.00 mL sample of vinegar solution with 0.550 M NAOH as titrant, the initial…

A:

Q: A 5.00-mL sample of sulfuric acid, H2SO4, is diluted to 25.00 mL and the diluted solution is…

A: Dilution of a concentrated solution, does not change the number of moles of the substrate. Only its…

Q: In preparing a buret for titration, how many times do you put about 5-10 mL of sodium hydroxide…

A: Titration is the process by which a concentration of unknown solutions is known by known solutions.…

Q: To increase the acidity of soil you can add peat, which contains a complex diprotic acid known as…

A: The titration for acid-base mainly works in analyzing the unknown potential of an alkali/acid. This…

Q: Consider a titration where 0.215 M potassium hydroxide is added from a burette to 10.00 mL of…

A: Given information,

Q: In a titration reaction 20.00mL of 0.500M KOH reacts completely with 12.55 mL of sulfuric acid, what…

A: Molecular reaction between KOH and H2SO4 . 2KOH(aq)+H2SO4(aq)→K2SO4(aq)+2H2O (l) From this reaction…

Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.180 M solution of…

A: Barium hydroxide reacts with perchloric acid as follows: The stoichiometry of the balanced chemical…

Q: A sample contains BaCl2 plus inert matter. What weight must be taken so that when the solution is…

A: When barium chloride is titrated with silver nitrate, the corresponding chemical equation is:…

Q: A student titrates 29.00 mL of an unknown HCI solution with 48.00 mL of a 0.7460 M Ca(OH)2 solution.…

A: Using equation of dilution as:-  M1V1 = M2V2  Where  M1= molarity of unknown acid  V1 = volume of…

Q: In an acid-base titration, the neutralization of 20.00 mL of a solution of HClO (perchloric acid)…

A: Given, Note: 1000 mL = 1 L Perchloric acid (HClO) solution Molarity of perchloric acid (HClO)…

Q: Consider the net ionic equation: Cr2O72- + 6Fe2+ + 14H+ = 2Cr3+ + 6Fe3+ + 7H2O. If it takes 26.0 mL…

A: The number of moles is defined as the mass-to-molar mass ratio of a substance. It is represented by…

Q: An aqueous solution of barium hydroxide is standardized by titration with a 0.109 M solution of…

A:

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. He carefully weighs…

A: Given Mass of oxalic acid = 231 mg Volume of NaOH = 130.9 ml

Q: An aqueous solution of hydroiodic acid is standardized by titration with a 0.137 M solution of…

A: The hydrochloric acid reacts with calcium hydroxide to form calcium chloride and water. The equation…

Q: weighs out 0.122 grams of hypobromous acid (HBrO) into a 241 volumetric flask and dilutes it in…

A:

Q: 5. What is the concentration of NaCl in a solution if titration of 15.00 mL of the solution with…

A: Molarity of a solution is equal to the number of solute present in one litre of solution. Write the…

Q: A 25.00 mL sample of 0.125 M sulfuric acid solution is titrated with 0.500 M sodium hydroxide…

A: Neutralization Reactions: It can be defined by saying that, a chemical reaction in which acid and a…

Q: A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.281 M HCl. All the CaCO3…

A: Explanation Step-1 Molarity: Molarity is well-defined as the moles of a solute per litres of a…

Q: concentration

A:

Q: In an acid-base titration, the neutralization of 25.00 mL of a solution of NaOH (sodium hydroxide)…

A:

Q: A student titrates 21.00 mL of an unknown HCI solution with 44.00 mL of a 0.5140 M Ca(OH)2…

A: Solution: Concept introduction : We know in acid - base titration stoichiometry plays an important…

Q: An aspirin sample, 0.62 grams, was titrated with 28 mL of 0.105 M NaOH solution. What is the percent…

A: 1 mol of NaOH react with 1 mol of aspirin. Given amount of aspirin = 0.62 g (Theoretical amount)  28…

Q: You have 250. mL of 0.226 M HCl. Using a volumetric pipet, you take 50.00 mL of that solution and…

A: Given:M1 = 0.226 MV1 = 50.00 mL.V2 = 100.00 mLV3 = 10.0 mLV4 = 100 mL

Q: A student performs a titration by filling the titrator with 0.75 M NaOH, and filling a beaker with…

A: Given data: Concentration of NaOH solution: 0.75 M, Volume of NaOH solution: 4.5 mL = 0.0045 L,…

Q: What volume of a 0.462 M NaOH solution would be required to titrate 2.85 g of pure KHP

A: In acid base titration, all H+ neutralised by OH- . Here from mass of KHP we can determine moles of…

Q: One of the main acidic components of acid rain is sulfuric acid, H2 SO4. Assuming sulfuric acid is…

A:

Q: 1. a: A sample of 8.5 mL H,SO, is titrated with 18.5 mL of 0.35 M Ca(OH),. What is the concentration…

A: Answer : Molarity and volume of solution con be calculated as follows

Q: A 10.00 mL of vinegar solution is titrated with 39.0 mL of 0.20 M NAOH.The calculated mass percent…

A: A multiple choice question based on quantitative analysis, which is to be accomplished.

Q: hydroxide, NaOH, How many individual hydroxide ions (OH−) are found in 23.46 mL

A: Solution:- As it is multiple questions, I would answer first 3 questions. For (1) Given  :- If 0.5 M…

Q: You have 250. mL of 0.106 M HCl. Using a volumetric pipet, you take 50.00 mL of that solution and…

A: Any solution’s concentration provides the knowledge of solute’s amount present into definite amount…

Q: Titration of 0.2121 g of pure Na2C2O4 (134.00 g/mol) required 43.31 mL of KMnO4. What is the molar…

A: From the given reaction, it is clear that 2 mol of MnO4- reacts with 5 moles of C2O42-to form the…

Q: If your concentrations of acetic acid and sulfuric acid were the same, would you have to add the…

A: The data regarding the titration of 0.985 M acetic acid and 0.519 M sulfuric acid with standardized…

Q: In a common medical laboratory determination of the concentration of free chloride ion in blood…

A: Given: Concentration of Hg(NO3)2 = 8.35×10-4 M Volume of Hg(NO3)2 = 1.64 mL Volume of Cl- = 0.25 mL…

Q: A piece of chalk (mainly calcium carbonate) is placed in 250. mL of 0.299 M HCl. All the CaCO3…

A: Number of mmols = molarity x volume (mL) Chemical equation for the reaction of HCl and CaCO3 can be…

Q: To increase the acidity of soil, you can add peat, which contains a complex acid mixture known as…

A: The titration for acid-base mainly works in analyzing the unknown potential of an alkali/acid. This…

Q: The titration of 25.00 mL of a sulfuric acid solution of unknown concentration requires 31.22 mL of…

A: Since you have posted multiple questions in a single session we are entitiled to answer only first…

Q: In a titration of KOH, 0.0725 g of KHP is weighed into a flask and dissolved in deionized water. The…

A: Molar mass of KHP is 204.22 g/mol. Calculation of no. of mol of KHP: Since KHP is a monoprotic…

Q: A student adds 20.00 mL of nitric acid (HNO3) of unknown concentration to an Erhlenmeyer flask with…

A:

Q: The active ingredient in a certain toilet cleaner that claims to 'remove lime scale and rust' is…

A:

Q: A 0.4040-g sample of potassium hydrogen phthalate, KHC8H4O4 (molar mass = 204.44 g/mol) is dissolved…

A: The molar concentration is the molarity of solution which is defined as a number of moles of solute…

Q: . Consider the titration of the weak acid, benzoic acid, HC;H;O2. Its acid dissociation reaction is:…

A: The given graph is represented as follows:

Q: The titration of 25.00 mL of a sulfuric acid solution of unknown concentration requires 31.22 mL of…

A: Given, the titration between NaOH and sulfuric acid.Concentration of NaOH solution =0.1234 Mvolume…

Q: An aqueous solution of hydrolodic acid is standardized by titration with a 0.181 M solution of…

A: Titration is a popular method where the concentration of an unknown solution is determined by 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.