An analytical chemist weighs out 0.280g of an unknown diprotic acid into a 250mL volumetric flask and dilutes to the mark with distilled water. She then titrates this solution with 0.1400M NaOH solution. When the titration reaches the equivalence point, the chemist finds she has added 26.7mL of NaOH solution. Calculate the molar mass of the unknown acid. Round your answer to 3 significant digits.

Q: In a titration, it took 20.18 mL of 0.40 M NAOH to neutralize 10.00 mL of the HCI. What is the…

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Q: A 50.0 mL sample of potassium hydroxide is transferred to an Erlenmeyer flask and then titrated with…

A: The concentration of the original potassium hydroxide solution is to be calculated.

Q: A student titrates a 10.0 mL sample of sulfuric acid (H₂SO4) solution with 44.35 mL of 0.186 M…

A: Sulfuric acid reacts with potassium hydroxide to form potassium sulfate and water. The equation for…

Q: A 27.00 mL sample of an unknown HC1O4 solution requires titration with 20.32 mL of 0.1900 M NaOH to…

A: BALANCED REACTION HClO4 (aq) + NaOH(aq) ---> H2 O (l) + NaClO4 (aq)  Volume of NaOH= 20.32 mL=…

Q: In an acid-base titration, the neutralization of 20.00 mL of a solution of KOH (potassium hydroxide)…

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

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Q: ou are given a sulfuric acid solution of unknown concentration.  You dispense 10.00 mL of the…

A: Titration is one of the most common method of qualitative analysis of substances given. It is done…

Q: Consider the diagrams given in the figure below to answer the following questions. Beaker A Beaker B…

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Q: Suppose you are titrating an acid of unknown concentration with a standardized base. At the…

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Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Given: Concentration of NaOH (MNaOH) = 0.1328 M Volume of NaOH (VNaOH)  = 12.39 mL Volume of H2SO4…

Q: 25.0 mL of 0.212 M NaOH is neutralized by 17.7  mL of an HCl solution according to the equation…

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Q: Suppose a group of students put 2.92 grams of an unknown solid acid into a 250-mL Erlenmeyer flask…

A: Given: mass of acid = 2.92 g Volume of acid solution prepared = 250 mL = 0.250 L…

Q: If 2.50 mL of vinegar requires 34.90 mL of 0.0960 M NaOH to reach the equivalence point in a…

A: Given values are - Molarity of NaOH = 0.0960M Volume of NaOH = 34.90 ml At equivalence point volume…

Q: used a pipette to add 25 cm of sodium hydroxide of unknown concentration to a conical flask. The…

A: Few questions based on acid-base titration, which are to be accomplished.

Q: Use the References to access important values if needed for this question. A student is asked to…

A: The reaction between KHP ( i.e KHC8H8O4) and Ca(OH)2 is

Q: A 27.00 mL sample of sodium hydroxide was titrated (neutralized) with 31.7 mL of 0.150 M sulfuric…

A: In an acid-base neutralization reaction, the H+ ions of the acid neutralized by equal moles of OH-…

Q: In the final titration, the amount of salicylic acid (the active ingredient) in aspirin is…

A: 1 mol of NaOH neutralises 1 mol of salicylic acid.

Q: Suppose a student titrated a sample of monoprotic acid of unknown concentration using a previously…

A: Given, Volume of NaOH (VNaOH) = 24.68mlSts Concentration (MNaOH) = 0.125MVolume of acid…

Q: In this experiment you were given the concentration of NaOH(aq). That concentration was determined…

A: Standardization is the process of determining the exact concentration (molarity ) of a solution .…

Q: A student is conducting a titration between a weak, monoprotic acid and sodium hydroxide, NaOH. a.…

A: Please have a look on the answer below:

Q: The titration of 26.40 mL of HCl solution of unknown concentration requires 12.21 mL of a 0.150 M…

A: An acid reacts with a base to form salt and water. For the given acid-base reaction, the balanced…

Q: A 0.9600 M NaOH solution was diluted with a factor of 4. Then the diluted solution of NaOH was…

A: In order to find whether the given acid is monoprotic, diprotic  or triprotic we first write down…

Q: Consider 0.350 g of an antacid tablet.  Suppose 41.36 mL of 0.1246 M HCl is added to the crushed…

A: Millimoles= concentration *volume (in ml) Millimoles of NaOH = 0.1172*12.78               =1.4978…

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: The titration of 25.0 mL of an iron(II) solution required 18.0 mL of a 0.115 M solution of…

A: Net ionic equation for the reaction between iron(II) and dichromate is shown below. Number of moles…

Q: A titration of 38.0 mL of a sulfuric acid (H₂SO₄) solution of unknown concentration with a…

A: Given: Volume of H2SO4 (V1) = 38.0 mL Concentration of Ba(OH)2 (M2) = 1.55 M Volume of Ba(OH)2 (V2)…

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

A: The titration between a strong base, KOH, and a strong acid, HCl results in the formation of a…

Q: 0.9600 M NaOH solution was diluted with a factor of 4. Then the diluted solution of NaOH was…

A: (i) Calculation of no. of mol of unknown acid: Calculation of volume of NaOH used: First titration…

Q: 1Ing the Volume of base needed to titrate a given mass... A chemistry student weighs out 0.196 g of…

A: The question involves concept of titration. It involves reaction of citric acid with Sodium…

Q: In a titration, a 9.9 ml solution of 0.25N HCI is neutralized with 53.7 ml of NAOH. What is the…

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Q: An approximately 0.1 M NaOH solution is made by adding 4.0 g of solid NaOH to 1000 mL. of water. The…

A: Titration is a common laboratory method of quantitative analysis to determine the concentration of…

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

A: Given-> Weight of oxalic acid = 54 mg = 0.054 gm  (1 gm = 1000 mg) Volume of oxalic acid solution…

Q: solution. i. Determine the volume, in mL, of 4.00 M stock solution the student needs to prepare 250.…

A: The question is based on the concept of titrations.   we are titrating  a weak  acid with a strong…

Q: In a standardization experiment, a student titrates a 0.250g sample of pure Na,CO, with her HCI…

A: Given Mass of pure Na2CO3 sample = 0.250 g Volume of HCl used to neutralize 0.250 g of Na2CO3 sample…

Q: What is the concentration of sodium ions in a solution obtained by mixing 300. mL of 0.310 M sodium…

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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: Chemical reaction:                             NaOH + HCOOH  →   HCOONa + H2O From well-balanced…

Q: A 500-ml volumetric flask contains 150 ml of 0.200 N H2SO4. By adding a more concentrated H2SO,the…

A: 1.A. Given: C1= 0.200 N V1= 150 mL Details for initial sulphuric acid in volumetric flask C2= ? N…

Q: A student begins a titration experiment by filling her first buret with unknown acid to the 1.12 mL…

A: From given  Both blank 1 and 2 is determined by using volume of acid and base formula It is as…

Q: An analytical chemist weighs out 0.410g of an unknown triprotic acid into a 250mL volumetric flask…

A: Given: Mass of triprotic acid (Assuming H3A) = 0.410 g. Concentration of NaOH = 0.0700 M And volume…

Q: Boric acid, H3B03, is commonly used in eyewash solutions in chemistry laboratories to neutralize…

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Q: A 10.00 mL vinegar sample is pipetted into an Erlenmeyer flask and titrated with 24.77 mL of 0.575 M…

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Q: A sample of impure salicylic acid , C.H. ( OH ) COOH ( one titratable proton ) , is analyzed by…

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Q: A chemist needs to determine the concentration of a sulfuric acid solution by titration with a…

A: Given, Molarity of standard sodium hydroxide (MNaOH) = 0.1834M. Volume of NaOH = 13.96mL. Volume of…

Q: Calculating Molarity from Titration Data Titration reveals that 11.6 mL of 3.0 M sulfuric acid are…

A: Balanced neutralization reactionH2SO4 +2NaOH   → Na2SO4 +2H2Oi.e For neutralizationNumber of moles…

Q: diluting

A: Molarity of given solution = 0.1M

Q: Suppose a group of students put 2.92 grams of an unknown solid acid into a 250-mL Erlenmeyer flask…

A: Given: Concentration of NaOH solution = 0.18 M

Q: In an analysis of vinegar by titration, a student placed the vinegar in the buret and a measured…

A: Please find your solution below : In acidic solutions like vinegar, phenolphthalein is colourless…

Q: MaVa=MbVb can be used for simple strong acid-strong base titration calculations. Suppose 125 mL of…

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Q: You perform a titration between Sodium Hydroxide (NaOH) and Hydrochloric Acid (HCI). NaOH is in the…

A: Here we are required to find the concentration of HCl.

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

A: Answer:- This question is answered by using the simple concept of calculation of molarity using 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.