4) A 50 mL sample taken from a vinegar sample was diluted to 500 mL with distilled water. The 25.0 mL aliquot from this solution is titrated with a 25.1 mL of 0.1065 M NAOH by adding 3 drops of phenolphthalein. What is the mass/vol. percentage of acetic acid? If the density of the vinegar solution is 1.02 g/ mL? Compare the m/m and m/V percentages?

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 0.338 grams of a unknown diprotic acid into a 122 volumetric flask and makes a…

A:

Q: 9. A student carries out a titration to determine the molar mass of an unknown acid, A • The student…

A: Given: Mass of acid = 2.24 g Volume of solution = 250.0 cm3 Volume of acid = 25.0 cm3 Molarity of…

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

A: Considered that 250 mL of oxalic acid solution is neutralized by the 46.1 mL of sodium hydroxide…

Q: Consider a 0.238 M aqueous solution of sodium hydroxide, NaOH. How many grams of NaOH are dissolved…

A: Since,             Number of moles = Concentration × Volume

Q: A student adds a small amount of phenolphthalein to an erlenmeyer flask, and it changes to pink when…

A: Phenolphthalein is colourless in acidic solution while it turns pink in a basic solution

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

A:

Q: Chromic acid, H2CrO4, is used in ceramic glazes and colored glass, and is particularly effective for…

A: The question is based on the concept of titrations. we have been given mass of chromium present. we…

Q: A student is performing a titration experiment to determine the concentration of a Nitric Acid…

A: We have to calculate the concentration of nitric acid in the sample.

Q: You are preparing a NAOH solution for use with an acid-base titration experiment. You weighed out…

A: Given ;-  Mass of NaOH = 1.321 g  Volume of solution = 246.9 mL  Molar mass of NaOH = 40.00 g/mol To…

Q: The concentration of your sodium thiosulfate is 0.520 M. You use a sample of 100 mL of your tap…

A: Given that -  Molarity of sodium thiosulfate, Na2S2O3 = 0.520 M  Volume of tap water used = 100 mL…

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

A:

Q: 3. A 25.0-mL sample of concentrated sulfuric acid, H2SO4, is diluted to 1.00 L and a 25.0-mL sample…

A:

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

A: The balanced chemical reaction is given as: H2C2O4 (s) + 2 NaOH (aq) → Na2C2O4 (aq) + 2 H2O (l)

Q: A 0.411 g sample of potassium hydrogen phthalate, KHC8H4O4 (molar mass = 204.22g/mol), is dissolved…

A: Calculation of moles for KHC8H4O4:

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: The company gave Phereseadula, who is an analyst, 5.00 L of H3PO4 and he was required to calculate…

A: Solution: Here H3PO4 is triprotic acid which is titrated again monobasic NaOH. So the titration…

Q: 14. A 0.300 M solution of HCl is prepared by adding some 1.50 M HCl to a 500 mL volumetric flask and…

A: Molarity(M) is the moles of solute per unit volume of the solution in litres. It's unit is mol/L…

Q: Maganite is the leading brand for antacid to alleviate heartburn. Its active ingredient is a…

A: A 50.0 mL saturated solution was prepared. After filtering each solution, a 5.0 mL  aliquot was…

Q: 25.0-mL sample of concentrated sulfuric acid, H2SO4, is diluted to 1.00 L and a 25.0-mL sample of…

A: At equivalence point of titration Moles of acid H+ = moles of base.  NaOH is a strong base so…

Q: 1. 50.05 mL of 0.4530 M KOH solution to completely to titrate 125.00 mL of sulfuric acid solution…

A: As per our guidelines, we are supposed to answer only one question. Kindly repost other question as…

Q: In an acid-base titration, you were given with a 0.1050 M sodium hydroxide solution placed in a…

A:

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: 10.00-mL sample of dilute sulfuric acid, H2SO4, is titrated with 0.2540 M NaOH solution and 35.20 mL…

A:

Q: A 5.00 ml sample of vinegar was titrated with 0.08751 M N2OH. The sample requires 22.31 mL of NAOH…

A: The reaction between acetic acid and NaOH is given as:CH3COOH (aq) + NaOH (aq) → H2O (l) + CH3COONa…

Q: A student prepared a Kool-Aid solution from 1.3151 g of Kool-Aid in a 100mL volumetric flask. In an…

A: The concentration of citric acid in 100 mL of prepared solution of Kool-Aid is determined as…

Q: A student is performing a titration experiment to determine the concentration of a Nitric Acid…

A: First we would write a reaction between KOH and HNO3 .  The reaction between KOH and HNO3 is given…

Q: A 5.0mL sample of a stock solution of concentrated HNO3, a strong acid, is diluted with distilled…

A: The ratio of moles of solute to the volume of solution in liters is known as molarity.

Q: 7. A student is asked to perform a neutralization reaction between hydrochloric acid, HCl and sodium…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only.…

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: 1: How many milliliters (mL) of a 0.630 M NaOH solution are needed to neutralize 20.0 mL of a 0.255…

A: Since you have asked multiple type questions, we will solve only first  questions for you. If you…

Q: A sample of solid Mg(OH)2 was stirred in water at a certain temperature until the solution contained…

A: HClO4 is a strong acid, it reacts with magnesium hydroxide Mg(OH)2 , this is an acid base reaction.…

Q: If 100. mL of 0.400 M Na2SO4 is added to 200. mL of 0.600 M NaI, what is the concentration of Na+…

A: Answer:- This question is answered by using the simple concept of calculation of concentration of…

Q: The titration of 0.314 g of potassium hydrogen phthalate (KHP) requires 13.16 mL of a NaOH solution.…

A: we need to calculate moles of NaOH for the titration of 0.314 g of KHP

Q: A 25.00 mL sample of a vinegar solution is diluted to 250.00 mL with water. Then a 25.00 mL aliquot…

A: Molarity of NaOH = 0.1027 M Volume of NaOH = 22.13 mL Volume of Vinergar = 25 mL

Q: A solution of tartaric acid(H₂C₄H₄O₆)with known concentration of 0.155 M H₂C₄H₄O₆ is titrated with a…

A: The balanced reaction taking place is given as, => H2C4H4O6 + 2 NaOH → Na2C4H4O6 + 2 H2O Given:…

Q: Molarity (M) of NaOH (from the bottle of NaOH): 0.204 mol/L Titration Number Final Volume buret…

A: An incomplete table based on volumetric analysis, which is to be accomplished.

Q: 4. A solution of 2.5 x 104M NazS2O3 was used for the iodometric titration of an ozone- containing…

A:

Q: A sample of solid Ca(OH)2 was stirred in water at a certain temperature until the solution contained…

A:

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

A:

Q: A 10.00 ml sample of a solution of hydrofluoric acid, HF, is diluted to 500.00 ml. A 20.00 ml…

A: At equivalence point the molarity of both HF and NaOH becomes equal in the titrated solution. From…

Q: In a lab, you diluted a sample of bleach to 1/10 concentration in a 250 volumetric flask. Then…

A: Molarity of sodium thiosulfate, Na2S2O3 used = 0.1215 M Bleach has NaClO or HClO that reacts with…

Q: If you add 4.00 mL of pure water to 6.00 mL of 0.750 M NaCI solution, what is the concentration of…

A: During dilution, no moles remain the same. As no of moles = Molarity × Volume So, on dilution…

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

A: Mass of oxalic acid = 86 mg = 86×10-3 g Molar mass of oxalic acid = 90.034 g/mol Volume of oxalic…

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

A: Molarity of a solution =Number of moles of soluteVolume of solution in LNaOH + H2C2O4 →Na2C2O4 + 2…

Q: If you require 30.51 mL of .1090 M NaOH solution to titrate 10.0 mL of HC2H3O2 solution, what is the…

A: Chemical reaction between NaOH and acetic acid:                      NaOH + HC2H3O2  →  C2H3O2Na +…

Q: Maganite is the leading brand for antacid to alleviate heartburn. Its active ingredient is a…

A: The amount of a substance that resides in a solution determines the concentration of the solution.…

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: A student is performing a titration experiment to determine the concentration of a Nitric Acid…

A: First we would write a reaction between KOH and HNO3 .  Then we would use formula : Ma × Va = Mb ×…

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.