An analytical chemist weighs out 0.112 g of an unknown diprotic acid into a 250 mL volumetric flask and dilutes to the mark with distilled water. He then titrates this solution with 0.0700M NaOH solution. When the titration reaches the equivalence point, the chemist finds he has added 27.1 mL of NaOH solution. Calculate the molar mass of the unknown acid. Be sure your answer has the correct number of significant digits. mol ol ?

Q: An analytical chemist weighs out  0.097g  of an unknown triprotic acid into a  250mL  volumetric…

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Q: A 0.350 g sample of a diprotic acid is dissolved in water and titrated with 0.320 M NaOH. What is…

A: Solution :     Titration is a method for the determination of the equivalence point. At the…

Q: A group of chemistry students determined the titratable acidity of two brands of tetrapack juice.…

A: At first, NaOH solution was standardized, so we need to calculate the concentration of standardized…

Q: To a 25.00 mL volumetric flask, a lab technician adds a 0.300 g sample of a weak monoprotic acid,…

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Q: An analytical chemist weighs out 0.413 g of an unknown diprotic acid into a 250 mL volumetric flask…

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Q: An analytical chemist weighs out 0.127 g of an unknown triprotic acid into a 250 mL volumetric flask…

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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: Calculate the molarity of an acetic acid solution, HC2H3O2 (aq), if a 25.0 mL sample requires 27.2…

A: Molarity is defined as total number of solute present in 1000 ml of solution .   For neutralisation…

Q: By titration, it is found that 77.3 mL of 0.122 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Answer: In neutralization reaction, hydroxide ion of base reacts with hydrogen ion of acid and…

Q: A 25.00 mL sample of phosphoric acid (H3PO4) is titrated to the equivalence using 19.71 mL of 0.2056…

A: Answer: In acid-base reaction, neutralization takes place where hydrogen ions and hydroxide ions…

Q: You are given a solution of HCOOH (formic acid) with an approximate concentration of 0.20 M and you…

A: Given: Molarity of formic acid = 0.20 M Volume of formic acid  = 20.00 mL Molarity of NaOH         =…

Q: Calculate the molar concentration of a sodium hydroxide solution if 60.00 mL of this solution were…

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Q: What is the aim of acid-base titration experiments?

A: An acid is a molecule or ion capable of donating a proton, or alternatively, capable of forming 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: Sodium benzoate, NaC6H5COO (molar mass 144.1 g mol-1) is a common food preservative. The Ka of…

A: Sodium benzoate  react with HCl to produce benzoic acid and sodium chloride. Benzoic acid is less…

Q: Petanoic (or valeric) acid is a weak organic acid with an unpleasant odour. Like other small…

A: Given that 20 ml of 0.195 mol/L of pentanoic acid was titrated with 0.198 mol/L of NaOH solution. we…

Q: Hydrochloric acid (HCl) is titrated with sodium hydroxide (NaOH). How many mL of 0.100 NaOH are…

A: Here HCl and NaOH are strong acid and base respectively. HCl is monoacidic base and NaOH monobasic…

Q: A 0.261 g sample of NaHC2O4 (one acidic proton) required 17.5 mL of sodium hydroxide solution for…

A: The complete balanced Chemical Reaction is - NaHC2O4 + NaOH ----> Na3C2O4 + H2O Thus, one mole of…

Q: alculate the concentration of the HClHCl solution. [HCl]=

A: Given information: The volume of HCl is 25.0mL The concentration of NaOH is 0.166 M The volume of…

Q: An experiment is carried out by titrating 31.7 mL of a 0.340 M potassium hydroxide solution with…

A: Given: Concentration of potassium hydroxide i.e. KOH = 0.340 M Volume of KOH solution used = 31.7 mL…

Q: Write the net ionic equation for the reaction that occurs when a solution of hydrochloric acid (HCl)…

A: Sodium formate is a salt of formic acid. So, the chemical equation for formation of sodium formate…

Q: Tartaric acid, H2C4H4O6, has two acidic hydrogens. The acidis often present in wines and a salt…

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Q: You are given a solution of HCOOH (formic acid) with an approximate concentration of 0.20 M and you…

A: Given data :

Q: DETERMINATION OF TOTAL AMOUNT OF ACID IN WINE C4H6O6 + 2 NaOH → (C4H4O6) Na2 + 2 H2O A sample of 10…

A: The given sample of 10 mL of wine was made 50 mL by adding pure water.The given solution is titrated…

Q: A 20.0 mL solution of NaOH is neutralized with 37.0 mL of 0.200 M HBr. What is the concentration of…

A: NaOH  +   HBr  ------->   NaBr  +   H2O So, number of moles of NaOH = number of moles of HBr…

Q: Titrations are generally both more accurate and more precise the smaller the concentration of…

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Q: Consider the following information to answer the questions below. A volume of 10.00 mL of 0.100 M…

A: At equivalence point,  Number of moles of acid = Number of moles of base  Therefore for acid-base…

Q: A 0.760 g sample of a diprotic acid is dissolved in water and titrated with  M NaOH.0.260 M NaOH.…

A: Assuming the diprotic acid has formula H2A hence the reaction will be  H2A + 2 NaOH ----> 2 NaA +…

Q: You set up a titration in the lab to determine the concentration of an HCl solution. What is the…

A: Interpretation: If 0.0100 L of 0.245 M NaOH solution are required to neutralize 0.0150 L HCl, the…

Q: By titration, it is found that 55.5 mL of 0.116 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: HCl(aq)  +   NaOH (aq)  ------>   NaCl (aq)   +   H2O (l) Number of moles of HCl = Number of…

Q: What is the concentration of the unknown HCl solution given the initial buret reading of the…

A: The solution of the question is given below:

Q: . If 0.2500 g sample of an unknown triprotic acid is neutralized by 14.2 mL of 0.187 M strontium…

A: To neutralize a substance,  the number of moles of acid should be equal to number of moles of base.…

Q: By titration, it is found that 70.1 mL of 0.161 M NaOH(aq) is needed to neutralize 25.0 mL of…

A:

Q: What is the molarity of an HClHCl solution if 6.00 mLmL HClHCl solution is titrated with 30.6 mLmL…

A: Given : Volume of HCl = 6.00 ml Volume of NaOH = 30.6 ml Molarity of NaOH = 0.170M

Q: was performed as follows: 10.00 mL of 0.10M HCl were collected in an Erlenmeyer flask, and then…

A: D option is correct. pH = 2.15 so, nearly solution is 2.11.

Q: By titration, it is found that 63.5 mL of 0.104 M NaOH(aq) is needed to neutralize 25.0 mL of…

A:

Q: A group of chemistry students determined the titratable acidity of two brands of tetrapack juice.…

A: C6H8O7 + 3NaOH ---Na3C6H5O7 +3H2O Standarisation of NaOH = (Mass of KHP/Molecular mass of KHP)×…

Q: A Chemistry student is asked to predict the pH of a potassium hydroxide solution when 1.82 g of…

A: KOH is a strong electrolyte. So it will completely dissociate when it will be dissolved in water.…

Q: By titration, it is found that 39.1 mL of 0.161 M NaOH(aq) is needed to neutralize 25.0 mL of…

A: Balanced chemical equation: NaOH  +   HCl  ----->  NaCl  +  H2O Number of mmoles of NaOH = Number…

Q: Litmus paper is paper that has been treated with dyes and is used as an acid-base indicator. Red…

A: The litmus paper is used to test if the solution is acidic or basic. Acidic solution turns the blue…

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

A: To find the molarity of base, the number of moles of acid should be calculated. Because at…

Q: A group of chemistry students determined the titratable acidity of two brands of tetrapack juice.…

A: Given: Molar mass of oxalic acid = 126.02 g/mol Molar mass of citric acid = 210.14 g/mol Acid -Base…

Q: By titration, it is found that 43.1 mL of 0.180 M NaOH(aq) is needed to neutralize 25.0 mL of…

A:

Q: O CHEMICAL REACTIONS Determining the molar mass of an acid by titration An analytical chemist weighs…

A:

Q: A student is trying to determine the concentration of an acetic acid (HC2H3O2) solution. They place…

A: Given →Volume of  acetic acid (HC2H3O2) solution = 10.00 mL                Volume of NaOH = 22.31 mL…

Q: 1. Circle the volumes of the titrated NaOH(aq) which you want to use for your calculations. How and…

A: Note: Since you have posted a question with multiple subparts, we will solve the first three…

Q: Be sure to specify states such as (aq) or (s). If a box is not needed leave it blank. If no reaction…

A: Acid reacts with  base to produces salt and water.  It is a type of neutralization reaction.

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.