A titration experiment has an equivalencepoint near pH = 9.0. What indicator shouldbe used for this experiment?Sectionа.Methyl orange (pKa = 3.46)b. Phenol red (pKa = 8.00)c. Thymol blue (pKa = 8.9)d. Thymolphthalein (pKa =9.9)%3D

Answered: Image /qna-images/answer/fab708c4-f1e9-4a69-93bb-98ab8c022315.jpg

A titration experiment has an equivalence point near pH = 9.0. What indicator should be used for this experiment? %3D Section а. Methyl orange (pKa = 3.46) b. Phenol red (pKa = 8.00) с. Thymol bluе (pКа %3D 8.9) d. Thymolphthalein (pKa =9.9) %3D %3D

A titration experiment has an equivalence point near pH = 9.0. What indicator should be used for this experiment? %3D Section а. Methyl orange (pKa = 3.46) b. Phenol red (pKa = 8.00) с. Thymol bluе (pКа %3D 8.9) d. Thymolphthalein (pKa =9.9) %3D %3D

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter18: Acids And Bases

Section: Chapter Questions

Problem 2STP

See similar textbooks

Related questions

Q: Assuming the full 0.01924 moles of tin(Il) reacts, what mass of tin was present in the original ore?…

A: Here we have to determine the mass of tin present in ore if full 0.01924 mole of Sn2+ reacts. This…

Q: Select all the compounds that have the an empirical formula with a empirical formula mass of 13.0…

A: The correct answer is given below

Q: At a certain temperature the reaction: CO(g) + Cl2(g) ⇌ COCl2 (g) Determine the Kc given the [CO]0…

A: The Kc is the equilibrium constant which is defined as the ratio of the concentration of the…

Q: You have two solutions, one 0.755 M barium nitrate and the other 1.250 M calcium hydroxide. The…

A: We would write balanced half equation . Then using mass of precipitate we would Calculate moles and…

Q: To prepare the buffer, a total volume of 500 mL is required. The stock solution of the weak base is…

A: Answer: Buffer solution is the type of solution that resists the change in its pH on adding small…

Q: Consider the titration of 20.0 mL of 0.20 M NaOH with 0.1 M HC/, Calculate the pH at the following…

Q: Reactions A and B were studied and found to produce the given energy diagrams.

A: Activation energy (Ea) : The minimum amount of energy needed to reactants to convert into…

Q: b) determine the standard cell potential and if the cell is more or less spontaneous at the non…

Q: This equation is nearly balanced. What number should go in front of the product for it to be…

Q: What is the difference between an emission spectrum and an absorption spectrum for a specific…

A: Let us study the difference between Emission and absorption spectroscopy for a specific element in a…

Q: 6. Consider the reaction: 2A +B→D This reaction was analyzed in the lab and the following data was…

A: To solve this problem we have to consider the rate law of the given reaction and it will be…

Q: A buffer solution contains equal concentrations of X and HX (K, = 1.0 x 10 %3D P). Determine the pH…

Q: #2 200 180 160 140 120 100 80 60 40 20 ppm

A: Molecule A matches 13C spectrum #1 Molecule B matches 13C spectrum #3 Molecule C matches 13C…

Q: 0.700 g of an impure FeCl3 sample are dissolved in water to create 50.0 mL of solution. The sample…

Q: Chemistry What is the equilibrium concentration of hydroxyl ions present in a solution of HClO4…

A: Given data : Concentration of HClO4 =1.9 M

Q: A chemist has a 0.700 M solution of potassium hydroxide (molar mass = 56.1 g/mol). What mass of KOH…

Q: ngven 2. A solution is 5.0 x 10s M in each of these ions: Ag* SO,? , Cl and CO32 Which precipitate…

Q: Solve 5. Demonstrate an understanding of atomic structure and chemical bonding, and how they relate…

A: Electronic configuration is defined as arrangement of electrons in orbitals.

Q: 2NAN3(s) → 3 N2(8) + 2Na(s) The equation above is part of the reaction that occurs when an airbag…

Q: ouer which of the. following ismot c strong aciel 2 andwry 2 CD HCI04 Hel O CHCOO4

A: To solve this problem we have to know about strong and weak acid . Strong acid : The acid which…

Q: A piece of aluminium displaces at 11.2 ML of water when placed in a graduated cylinder. Given that…

A: Given:: Volume = 11.2 ml mass = 36.2 g density =?

Q: a How many ammonium ions and how many sulfate ions are present in a 0.260 mol sample of (NH4 )2SO4?…

Q: Draw the Lewis dot structure and an additional three resonance forms for the thiosulfate ion: S;0,2…

Q: ochemistry Oxidation of iron metal in the atmosphere is responsible for the formation c practice to…

Q: What mass of CASO4 will precipitate after mixing 50.0 mL of 0.020 M Ca(NO3)2 with 50.0 mL of 0.0080…

Q: Provide reagents/conditions to accomplish the following syntheses. Several steps are required in…

A: Amines react with aldehydes and ketones via reductive elimination process to give primary, secondary…

Q: An object has a mass of 170 g and a density of 13.2 g/cm³. Determine the volume of the object in…

Q: Molecular (covalent) compounds

A: Covalent compound are those compound where the atoms share the electrons between them and also there…

Q: a. Given the following set of values for a gas, calculate the unknown quantity: P = 746.6 mm Hg V =…

Q: A buffer is 0.100 M in NH4CI and 0.100 M in NH3. When a small amount of hydrobromic acid is added to…

Q: 32p has a half-life of 14.3 days. The original sample of 32p has a mass of 1.88 g. Approximately…

A: The correct answer is given below

Q: What is the hydronium ion concentration in a solution that has a pH of 8.34?

A: Given: pH = 8.34 Find concentration of Hydronium ion [ H3O+ ]

Q: In HPLC, fill in the blanks with the choices below: - chromatogram retention time void volume…

A: To fill in the blanks for HPLC:

Q: A 4.04-g sample of methane is burned completely in air. (a) How many moles of H2O are formed? M (b)…

A: Mass of methane burned completely = 4.04 grams. a) Number of moles of H2O produced = ? b) Number…

Q: What is the mass in kilograms (kg) of 4.29 X 1024 atoms of palladium?

Q: Could you summarize the main characteristics of nucleophilic acyl substitution?

A: Hello dear, Welcome on bartleby; In nucleophilic acyl substitution, a nucleophile (such as alcohol…

Q: cedstock. To begin, you’ll make 20 mL of a 10% solution of your assigned fuel. a. How many grams of…

A: Beginning solution = 20 mL of 10% fuel Diluted concentration = 5% fuel. It is desired to calculate…

Q: uding the cis or trans designation, what is the IUPAC name of the following substance? not necessary…

Q: is the mass of each component? s of CH,O : g CH,O s of water: g H,O

Q: 1. What is the ionic strength of a solution composed of 0.M NaCl and 0.2M Na,SO,?

A: 1. Given,Concentration of NaCl solution = 0. MConcentration of Na2SO4 solution = 0.2 MRequired,…

Q: Consider the disulfide bond formation reaction via the oxidation of thiols along with the H-NMR…

A: The proton NMR helps to find the no of different types of protons present in a given molecule.

Q: 2. Answer All Parts (a) For the following compounds, indicate whether the atoms, groups or faces…

A: Here we have to predict whether the indicated atoms or face are homotopic, enantiotopic or…

Q: 3. If the temperature, concentration o surface area were increased in the following scenario,…

A: The rate of reaction depends on various factor i.e concentration, temperature, surface area,…

Q: 32. Draw all possible alkene products of the following reaction, their mechanisms and circle the…

A: In this question, we will draw all the possible products of alkene which is formed by the E1 and E2…

Q: or each of the following sets of volume/temperature data, calculete the missing quantity after the…

Q: Which elements would be found in the alkaline earth metals family? [Select all that apply] O cesium…

A: Alkaline earth metals are six chemical elements in group 2 of the periodic table .These element are…

Q: What is the molarity of a solution in which 7.1 g of sodium sulfate is dissolved in enough water to…

A: Weight of sodium sulfate = 7.1 gm Volume = 100 ml = 0.100 L (1L = 1000 ml)

Q: Propan- 1-ol The color of the substance became clear L& NAOH 9. and colorless, this indicates a…

Q: (References) If water is added to magnesium nitride, ammonia gas is produced when the mixture is…

Q: A compound containing only carbon, hydrogen, and oxygen is analyzed using combustion analysis. When…

Concept explainers

Ionic Equilibrium

Chemical equilibrium and ionic equilibrium are two major concepts in chemistry. Ionic equilibrium deals with the equilibrium involved in an ionization process while chemical equilibrium deals with the equilibrium during a chemical change. Ionic equilibrium is established between the ions and unionized species in a system. Understanding the concept of ionic equilibrium is very important to answer the questions related to certain chemical reactions in chemistry.

Arrhenius Acid

Arrhenius acid act as a good electrolyte as it dissociates to its respective ions in the aqueous solutions. Keeping it similar to the general acid properties, Arrhenius acid also neutralizes bases and turns litmus paper into red.

Bronsted Lowry Base In Inorganic Chemistry

Bronsted-Lowry base in inorganic chemistry is any chemical substance that can accept a proton from the other chemical substance it is reacting with.

Question

A titration experiment has an equivalence
point near pH = 9.0. What indicator should
be used for this experiment?
Section
а.
Methyl orange (pKa = 3.46)
b. Phenol red (pKa = 8.00)
c. Thymol blue (pKa = 8.9)
d. Thymolphthalein (pKa =9.9)
%3D

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

A 0.3012g sample of an unknown monoprotic acid requires 24.13mL of 0.0944MNaOH for neutralization to a phenolphthalein end point. There are 0.32mL of 0.0997MHCl used for back titration. a. How many moles of OH are used? How many moles of H+ from HCl? _______moles OH ________moles H+ b. How many moles of H+ are there in the solid acid? Use Eq.5. ____________ moles H+ in solid c. What is the molar mass of the unknown acid? Use Eq.4. ____________ g/mol
A sample contains unknown amount of Na2CO3 and NaHCO3 . The sample was titrated with 0.103 N HCl solution and 8 mL is used for phenolphthalein and 26 mL is used for bromocresol end points. Calculate the amounts of Na2CO3 and NaHCO3 in the sample. (Fw Na2CO3 = 106 g/mol; Fw NaHCO3 = 84 g/mol)
A sample may contain NaOH, sodium carbonate and sodium bicarbonate, alone or in compatible combination. Titration of a 50.00 mL aliquot of the sample to a phenolphthalein end point required 8.50 mL of 0.0905 M HCl. A second 50.00 mL aliquot required 22.40 mL of the HCl when titrated to a methyl red end point. Calculate the molar concentration of the base component/s
The titration of 5.00 mL of 0.4949 M NH3 with 0.2250 M HNO3. Kb = 1.8×10–5. Fill out chart and list possible indicator. Volume HNO3 (mL) Calculated pH 1 initial 0.00 2 ¼ way to eq. point 3 ½ way to eq. point 4 ¾ way to eq. point 5 0.5 mL before eq. point 6 equivalence point 7 0.5 mL after eq. point 8 well past eq. point 15.00
Answer if true or false , if false, put the correct answer 1. Molarity of titrant = number of moles analyte / volume of analyte 2. Two general types of titration curves are sigmoidal and linear segment 3. Tritration must occur slowly 4. Primary standard has high purity and is stable 5. Using phenlphthalein indicator, acidic to basic endpoint is usually colorless
An automatic titration of Cola product was analyzed and the following results were produced: Volume of Standardized NaOH Titrant used to achieve the first equivalence point in titration: Trial #1: 1.300 mL Trial #2: 1.137 mL Trial #3: 1.140 mL May you explain why trial #1 was skewed; for example, if pipetting of the 25.00 mL was done incorrectly, how would the molarity change if the volume examined was supposed to be 24.50 mL?
If a 300 mg sample of Sodium Bicarbonate (98% NaHCO3) is titrated with 0.922 N sulfuric acid, what volume of the acid should be required to produce an end point? Atomic Weights :Sodium - 22.99Oxygen - 15.999Hydrogen - 1.008Sulfur - 32.06 Enter numerical value only; round off to 4 decimal places
alculate the Ksp of a Ca(OH)2 solution using the data below: Titrated with 0.103MHCl Initial syringe value: 9.71 Final Syringe value: 1.53 Volume of Ca(OH)2 titrated 24.39 mL
Match the type of titration involve Choices: A. Iodimetry B. Acidimetry C. Argentometry D. Iodomtetry E. Complexometry F. Alkalimetry E. Permanganimetry Questions: 1. Determination of percent acetic acid in vinegar 2. Determination of percent carbonate in pearl ash 3. The amount of ascorbic acid in Vitamin C 4. Determination of biochemical oxygen demand by Winkler method 5. Determination of oxalate in oxalic acid by permanganate 6. Determination of chloride content in water 7. Total hardness of water
Using the letters on the image, identify each component of the titration set-up. Buret clamped to a ring stand with a beaker underneath. The letter A appears at the top of the buret, the letter B appears midway down the buret, the letter C appears at the bottom of the buret, the letter D appears next to the beaker, and the letter E appears on the other side of the buret, near the ring stand.
One Erlenmeyer contains 50 mL of 0.1 M Na2CO3 solution, the other Erlenmeyer contains 50 mL of 0.1 M NaHCO3 solution. Answer the following questions when both solutions are titrated with 0.1 M HCl (F=1) solution separately: a) How much mL will be consumed if the phenolphthalein indicator is used? b) How much mL will be consumed if the methyl orange indicator is used? please explain than solve
Part A: Standardization of a Sodium Hydroxide Solution Titration 1 Titration 2 Titration 3 Mass of 125 mL flask 45.849g 46.715g 44.953g Mass of flask and KHP 46.849g 47.745g 46.003g Initial buret reading (mL) 0.5 ml 0.5 ml 0.5 ml Final buret reading (mL) 27.8 ml 26.5 ml 26.7 ml Volume of NaOH used (mL) 45.11 ml 45.06 ml 45.14 ml Calculations Titration 1 Titration 2 Titration 3 Moles of KHP Moles of NaOH Molarity of NaOH Average Molarity of NaOH: _______________