A 10.0 mL sample of HF was titrated with 0.500 mol/L NaOH. If it required 5.00 mL of NaOH titrant to reach the endpoint, what is the concentration of HF in the sample in mol/L? Express your answer to three significant figures. [HF] =      mol/L

Q: How many mL of 0.747 M HNO3 are needed to dissolve 6.08 g of BaCO3? 2HNO3(aq) + BaCO3(8) →…

A: Molarity of nitric acid HNO3 is 0.747 M. Mass of barium carbonate BaCO3 is 6.08 g.

Q: Question 3

A: 4.0mL (0.004L) sample of vinegar has mass of 4.056 g, then1L sample of vinegar has mass of ‘x’.

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

A:

Q: A NaOH solution is adjusted by titrating 0.8592 g of primary standard potassium acid phthalate to…

A: Potassium acid phthalate is a monobasic acid and reacts with an equimolar ratio with NaOH solution.…

Q: If a student is titrating 10.0 mL of 1 M HNO3 with 1M NaOH and another students is  titrating 10.0…

A:

Q: A volume of 15.00 mL of NaOH was titrated to endpoint with 11.34 mL of 0.1311 M HCl. Calculate the…

A: Volume of NaoH =15 mL Volume of HCl=11.34 mL Molarity of HCl=0.1311M

Q: Lemons get their sour flavor from citric acid (Ka = 7.4 x 10-4) a fresh squeezed lemon can have a…

A: HOOC-CH2-C-      COOH|   OH|CH2-COOH ( Citric acid )  Citric acid is tribasic acid and its n.factor…

Q: A 10 mL of a standard sodium carbonate solution, concentration 0.025 mol L1, is pipetted into a…

A:

Q: An unknown acid was titrated with 23.1 ml of 0.1 N sodium hydroxide. The weight of the acid was…

A: Volume of NaOH is 23.1 mL. Normality of NaOH is 0.1 N.

Q: A student performs a titration, titrating 25.00 mL of a weak monoprotic acid, HA, with a 1.59 M…

A: A titration is a technique where a solution of known concentration is used to determine the…

Q: 2HCl + Ca (OH)2 à CaCl2 + 2H2O Write the balanced net ionic equation

A: The reaction taking place is given as 2 HCl (aq) + Ca(OH)2 (aq) ----------> CaCl2 (aq) + 2 H2O…

Q: You have been given a stock solution of crystal violet of concentration 1 x 10-3 M. You are asked to…

A: To find volume of stock solution used, use the dilution law which contains both volume and molarity…

Q: 3.00 mL of bleach (NaOCl is the active ingredient) sample is mixed with KI and HCl to completely…

A:

Q: In a titration experiment, 0.27 M NaOH is added to 21.8 mL of a 0.35 M H3PO4 solution and reacts…

A: Given  Molarity of NaOH= 0.27 M Molarity of H3PO4 = 0.35 M Volume of H3PO4 = 21.8 mL We know  that,…

Q: In a titration, it is found that 50 mL of 0.30M KOH will just neutralize 15 mL of an HCl solution.…

A: Given data,  Volume of KOH = 50 mL  Concentration of KOH = 0.30 M  Volume of HCl = 15 mL

Q: 21. When 20.00 ml of sulfuric acid of unknown concentration is titrated with 0.1249 M NaOH, 32.50 ml…

A:

Q: D. Acid-Base Titrations A 0.1558 g of primary-standard-grade benzoic acid, CsHsCOOH, was used to…

A: Hello. Since multiple questions have been posted, the first question shall only be solved in this…

Q: What is the normality of 50.0 mL Ba(OH)2 solution when titrated with 73.50 mL of 0.250 N HCl?

A:

Q: 4. When titrating 0.150 M HCI with a calcium hydroxide solution of unknown concentration, 35.0 mL of…

A: (a) when HCl and calcium hydroxide react they give Calcium Chloride and water as - 2HCl(aq) +…

Q: From the titrations below, calculate the molarity of the NaOH solution in each of the f ollowing?…

A:

Q: A 25.00 ml solution of acetic acid of unknown concentration is titrated with 0.1000 M KOH. The end…

A:

Q: 1. Zia titrates 20.00 mL of an HCl(aq) solution that has an unknown concentration with 0.1240 M…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A 18.79-ml aliquot of a 0.3974 M potassium hydrogen phthalate solution prepared from primary…

A: According to the law of equivalency, at the neutralization point  Amount of KHP = Amount of NaOH…

Q: Calculate [HgCI4^2-] in a solution prepared by adding 0.0200 mol of NaCI to 0.250 L of a 0.100-M…

A: Answer: In any reaction limiting reagent is the reactant which gets exhausted first decide the yield…

Q: You want to standardize am NaOH solution. A buret containing NaOH solution has an initial volume…

A: At the end point complete neutralization takes place. At the equivalence point: The number of moles…

Q: 1. A student carried out an experiment using an egg shell that contains Calcium Carbonate. A 0.500…

A: Answer: This question is based on acid-base titration where we have find out the number of moles of…

Q: 1. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a…

A: Volumetric titrations are used to determine the concentrations of different by titrating it with a…

Q: To prepare a 10% solution of 100 mL HCl from 37% HCl solution, x mL of concentrated HCl is taken and…

A: 37% HCl solution = 37 g HCl is present in 100 g of stock solution.

Q: How many milliliters of 0.589 M HClO4 are needed to titrate each of the following solutions to the…

A:

Q: By titration it is found that 114.3mL of 0.562M NaOH is needed to titration 48.0mL of Hcl. what is…

A:

Q: 10 mL of salt spirit sample was taken and volume of distilled water was added to the volume to 50…

A: To calculate the concentration of HCl in spirit in g/L, first of all we calculate the concentration…

Q: 1. A titration was performed using NaOH and a fruit juice. Suppose 31.3 mL of 0.250 M NaOH was used…

A: To calculate the percentage of citric acid in the 5 g of juice. Given that: Concentration of NaOH =…

Q: The flask shown here contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret…

A: In this problem, the volume of sodium hydroxide can be calculated only when the initial…

Q: Part B The titration of 0.5538 g of KHP required 25.89 mL of an NaOH solution to reach the…

A: KHP is actually Potassium hydrogen phthalate which is a monoprotic acidic salt compound. It reacts…

Q: A 1.0 g sample of an unknown substance was titrated with a 0.1 M HCl solution (Figure 1). Another…

A: Since the titration is possible with both acid and base for the compound as shown in the curves…

Q: A 10.0 mL sample of HF was titrated with 0.500 mol/L NaOH. If it required 6.00 mL of NaOH titrant to…

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

Q: A student titrated 30.mL of 0.15 M HF(aq) with 0.30 M NaOH(aq). The results are plotted on the…

A: The titration of HF with NaOH has been considered. The given questions have been solved based on the…

Q: (a.) Titration of a 12.0 mL solution of HCl requires 22.4 mL of 0.12 M NaOH. What is the molarity of…

A: The Answers to the following questions are given as -

Q: titration involving solutions of two of the following substances: HC2H3O2, HNO3, CH3NH2 and NaOH.…

A: In acid base titration,  we major the pH change when titrate is added to analyte. Weak acids has…

Q: A solution of 20 ml of 1O N KOH required 20.3 ml of NaOH solution when end point of Titration was…

A:

Q: A chemist needs to determine the concentration of a solution of nitric acid, HNO3 . She puts 905 mL…

A: Given data:- The volume of HNO3 taken = 905 ml = 0.905 L The concentration of Ba(OH)2 = 0.600…

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. What is the purpose of this experiment? 2. A sample of KHP has a mass of 2.345 g is used for a…

A: The purpose of the experiment is to determine the concentration of NaOH using a primary standard…

Q: The phosphoric acid in a 100.00 mL sample of soda was titrated with 0.1025 M NaOH. The first…

A: Firstly calculate the number of millimoles of phosphate ion at third equivalence point.

Q: Comparing the two quantities based on the given condition, which is greater I or II? or are they…

A: Both the volume of the solution and concentration of the weak acid, HA and HB are the same i.e 0.100…

Q: : A sodium hydroxide solution is standardized using the monoprotic primary standard potassium…

A: Given, KHP - potassium hydrogen phthalate mass of KHP required = 0.7268 g molar mass of KHP  =…

Q: In the given acid-base titration curve, what is the analyte being titrated ? 14 12 10 8 6. 4 2 10 15…

A: As strong base, NaOH is added, thus analyte must be acid.  Now question is, Is it strong acid or…

Q: What is the normality of 50.0 ml Ba(OH)2 solution when titrated with 23.50 mL of 0.250 N HCl?

A: Given, Normality of 50.0 ml Ba(OH)2 solution when titrated with 23.50 mL of 0.250 N HCl

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: A flask contains 0.015 mol of HCl in 10.0mL of solution.  a. What is the molarity of the HCl…

A: Molarity is defined as the moles of solute per litre of solution. Hence, molarity of HCl = moles of…

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.