2. If 25.0 mL of NaOH required 40.0 mL of H2SO4 in a titration and 25.0 mL of sulfuric acid were required in the titration of 0.3060 g of sodium carbonate, what was the normality of the sodium hydroxide?

Q: > Calculate the percent of acetic acid in a 20 mL vinegar sample. Titration was used, and it took…

A: Given data is Volume of the vinegar sample = 20 mL  Volume of NaOH used in the titration= 35.19 mL…

Q: After going through the results of your first method validation experiment with your PI, you decide…

A: Titration is the process, through which we determine the concentration of unknown solution by…

Q: Q7) Silver jewellery is usually made from silver and copper alloys. The amount of copper in an alloy…

A: Given that  The finest quality alloy is sterling silver, which is 92.5% silver by mass. Mass of…

Q: A 10.00 mL sample of vinegar is titrated with 0.2731 M NaOH.  22.05 mL of NaOH are needed to get to…

A: Titration The titration is a process of carrying out a chemical reaction between two chemicals…

Q: Suppose 9.72 g of copper(II) acetate is dissolved in 200. mL of a 0.30 Maqueous solution of sodium…

A: Volume of Sodium Chromate solution = 200 mLMass of Copper(ll) acetate = 9.72 gNormality, Molarity…

Q: The total volume of 0.25 M H2SO4 used was 27.9 mL. Calculate what volume of 5 M ammonia solution…

A: Molarity of H2SO4 = 0.25 MMolarity of NH3 = 5 M

Q: If the initial volume reading for the second titration was 2.78 mL and the final volume reading was…

A: Initial volume reading=2.78 mLfinal volume reading was 8.36 mL

Q: Suppose a student needs to determine the concentration of a NaOH solution. He performed a…

A: First, we need to calculate the number of moles of benzoic acid used in the titration. The number of…

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

A:

Q: What is the Molarity of KOH if a (2.3400x10^1) mL sample requires (4.27x10^1) mL of (3.6000x10^-1) M…

A: All the necessary calculations have been done in the following step.

Q: An experiment is carried out by titrating 31.8 mL of a 0.340 M potassium hydroxide solution with…

A: Reaction involved is : KOH + HBr ---> H2O + KBr Volume of KOH = 31.8 ml  Molarity of KOH = 0.340…

Q: 7.) A student titrated 250 cm3 of sodium carbonate with 125.0 cm of 0.35 mol dm hydrochloric acid.…

A:

Q: A group of students working in a chemistry lab is planning a procedure to neutralize 25.0mL of 2.0 M…

A: Acid-base titration: Titration is a method to determine the concentration of unknown acid by using…

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: During a standardization procedure, 24.22 mL of a sodium hydroxide (NaOH) solution were required to…

A:

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: You wish to make a 0.395 M hydrochloric acid solution from a stock solution of 6.00 M hydrochloric…

A: Given: Initial concentration of HCl (M1) = 6.00 M Final concentration of HCl after dilution (M2) =…

Q: Before performing a titration of vinegar itself, you first had to standardize the solution used to…

A: As most base solutions are secondary standardized, so we need to standardise base solutions with a…

Q: Potassium hydrogen phthalate is a solid, monoprotic acid frequently used in the laboratory to…

A: Sodium hydroxide reacts with KHP to form the sodium-potassium phthalate and water. The reaction is…

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: How do you calculate the% by mass of acetic acid present? The table below demonstrates to find one…

A: Mean molarity of vinegar sample = 0.546 M  Volume of vinegar sample = 5.0 mL  Density of vinegar…

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

A: Here in this question , firstly original acid solution diluted and then 10.00 ml diluted acid…

Q: Calculate the molarity of an acetic acid (FW 60,052) solution if 25 mL of this solution is…

A: Sodium hydroxide reacts with acetic acid, to form sodium acetate and water. The equation for the…

Q: When 20.00 ml of sulfuric acid of unknown concentration is titrated with 0.1249 M NaOH,  32.50 ml of…

A:

Q: Give the importance of solubility in the practice of pharmacy

A: Solubility is the maximum amount of Substance or Solute that can dissolved in given fixed amount of…

Q: 2. Would the calculated value of the molarity of the NaOH solution be too high or too low or…

A: Here’s how each of these errors would affect the calculated molarity of the NaOH solution:

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

A:

Q: The iodine contained in every one mL of the 0.010 M iodine solution in the buret will react with…

A: Given, volume of titrant, iodine solution used = 5.14 mL            mass of vitamin C titrated by 1…

Q: Part L How many milliliters of a 0.250 M NaCl solution are required in order to supply 25.0 grams…

A: Welcome to bartleby !

Q: calculate

A: We will use gm equivalent of both acid and base

Q: Suppose you are performing a titration. At the beginning of the titration, you read the titrant…

A: we have to calculate volume of titrant required

Q: A student titrating a sample of a powdered aspirin tablet to find out how much acetylsalicylic acid…

A: Given data,Molarity of NaOH=0.0901MVolume of NaOH=30.2mL=0.0302LMoles of a substance can be…

Q: A student titrated a vinegar sample with 0.44M NaOH titrant. Then a 5.0mL vinegar sample is mixed…

A: The reaction between vinegar(acetic acid) and NaOH is represented as  CH3COOH + NaOH -------->…

Q: 4.Suppose you run a titration of an acid yourself. You do it three times be- tween an acid and…

A: Given information is as follows; Average mass of acid = 9.555 g Volume of sodium hydroxide = 9.10 mL…

Q: If the initial volume reading for the first titration was 2.78 mL and the final volume reading was…

A: Initial reading=2.78 mLfinal volume reading=8.36 mL

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

A: Given: Mass of oxalic acid = 176 mg Volume of oxalic acid = 250 mL Volume of NaOH solution = 52.3 mL…

Q: A 5.00 g quantity of a diprotic acid was dissolved in water and made up to exactly 2.25 x 10² mL.…

A:

Q: Assume the equivalent weight of an acid is 51.0.51.0. Calculate the number of mL of 0.233 M0.233 M…

A: The question is based on the concept of quantitative estimation . It involves  titration of unknown…

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: What is the concentration of F— ions when 422.569 mg of MgF2 (62.3018 g/mol) completely dissociates…

A:

Q: A student place 5 mL of a hydrochloric acid solution in an Erlenmeyer flask. She then added 23.5 mL…

A: Given that 5 m L of HCl solution is placed in flask and 23.5 m L deionised water is added and is…

Q: Suppose that while titrating a vinegar sample you suddenly realize that you forgot to add the…

A: The question is based on the concept of titrations. we need to predict the effect of indicator and…

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: A 0.7205 g of potassium hydrogen phthalate is titrated to the equivalence point by 21.08 mL of…

A: Molarity is the ratio of moles of solute to volume of solution in Litres.