Answered: 14 If you are making 100 mL of a 0.1 M…

14 If you are making 100 mL of a 0.1 M HEPES buffer starting from HEPES in the basic form, is it prudent to get 50 mL of 1 M HCI from the community reagent bottle to use for your titration? Explain.

Fundamentals Of Analytical Chemistry

9th Edition

ISBN:9781285640686

Author:Skoog

Publisher:Skoog

Chapter14: Principles Of Neutralization Titrations

Section: Chapter Questions

Problem 14.38QAP

See similar textbooks

Related questions

Q: Consider the following mechanism for the formation of nitrosyl chloride: NO(g) + Cl₂(g) → NOCL₂(g)…

Q: The rate of a certain reaction is given by the following rate law: rate=k[NO]¹[0₂] Use this…

Q: The rate law for the reaction NO₂(g) + O₂(g) → NO(g) + 03 (g) = k[NO₂][0₂] is given by rate = k If…

A: According to the question we have a chemical reaction NO2(g) + O2(g) → NOg + O3g The rate…

Q: One day it was discovered that the waters of the lake were dead, estimated to be polluted Hg. How do…

A: A question based on concentration terms that is to be accomplished.

Q: rences to access important values if needed for this question. The reduction of nitric oxide with…

Q: Suppose a biochemist has 10 mL of a 1.0 M solution of a compound with two ionizable groups at a pH…

A: Given in following question

Q: Consider equimolar solutions of each of the following compounds; rank them in order of increasing…

A: -> pH = -log[H+] -> As acidity increases H+ concentration increases and pH decreases. ->…

Q: Describe how you would prepare 250 ml (total volume) of a solution that is 0.25% phenolphthalein by…

A: 0.25% by mass means 0.25 g phenolphthalein is present in 100 g of solution. Or , in other words,…

Q: The molar mass (to two decimal places) for Fe2(CO3)3 is

A: Answer: Each mole of Fe2(CO3)3 contains 2 moles of Fe atoms, 3 moles of Carbon atoms and 9 moles of…

Q: Draw the skeletal (line-bond) structure of [CH₃CH₂CHC(O)CH₂CH₂CH₃]⁻. Include all lone pairs and…

A: In the skeletal line bond structure of an organic compound, carbon and hydrogens are not shown .…

Q: choose the pair of substances that are most likely to form a homogenous solution

A: Homogeneous Solutions are the solutions with uniform composition and solute gets completely…

Q: Compound trans [Mn(en)2C12] [Mn(en) (H2O)4] Ca2[VC16] (NH4)2[FeC14] (NH4)3[FeC16] [Pd(NH3)4]…

Q: SINGLE AND DOUBLE REPLACEMENT REACTIONS 1. Find all the pairs of ions in the following list which…

Q: The molar mass (to two decimal places) for Fe2(CO3)3 is ______________ g/mol.

A: Molar mass is mass of 1 Mole a substance.

Q: A lab sample containing sodium chloride, ammonium chloride and sand. It initially weighs 3.207…

Q: Me2NH, CH,O HCI Me Me

A: The given reaction is an example of Munnich reaction in which, the α-proton of ketone undergoes…

Q: A rectangular piece of platinum has dimensions of 3.50 cm x 2.16 cm x 1.08 cm and weighs 175.5 g.…

A: Formula: Density ( D) = Mass (M) \ Volume (V)

Q: Determine the molecular geometry below

A: The molecular geometry of an atom in a molecule depends on the number of sigma bonds (bond electrons…

Q: For the K shell, the four quantum numbers for each of the two electrons in the is state, in the…

A: We would use quantum number rules to determine the four quantum numbers for all electrons in L and M…

Q: H 17

A: Kindly repost last question. Thanks

Q: No. 1 2 3a 3b 4a 4b 5 Procedure Mg ribbon + heat Sodium + HC1 Aluminum foil + Hydrochloric acid…

A: Answer is given below

Q: Draw the sketch structure of [CH3CH2C2CO]-

A: The given formula for the structure to be drawn is [CH3CH2C2CO]-

Q: Consider the following reaction: 2+ CaCO3 (s) + 2H3O+ (aq) ⇒Ca²+ (aq) + CO₂(g) + (aq) What will you…

Q: OH H CCNH H----OC NH, H CHO -H C= I U 9

Q: Draw a structure of a: a. Fatty Acid 18:3 (△9,12,15) b. Reducing Sugar

A: #(a): Given the symbol of the fatty acid is 18:3 (∆9,12,15) The numbers 9, 12, and 15 indicate that…

Q: Selenium dichloride, SeCl2, has a molar mass of 149.86 g/mol. What is the mass in grams of 0.325…

A: Given, moles of SeCl2 = 0.325 moles molar mass of SeCl2 = 149.86 g/mol mass of SeCl2 = ?

Q: Q1. A 100 g soil containing 20% smectitie mineral matter was mixed with 150 ml solution containing…

A: Assume that the cation exchange capacity of soil is entirely because of the smectitie mineral…

Q: How many moles of sodium chloride (NaCl) are in (7.89x10^-41) molecules of sodium chloride (NaCl)?…

Q: Choose the correct IUPAC name for the following compound: Oa) 2,5-hexadiene Ob) 2,5-heptene Oc)…

A: We have to name the given two compounds using IUPAC rules

Q: 18. Use Hess's law to calculate AG°rxn using the following information. CO(g) → C(s) + 1/2 02(g)…

A: Hess's law states that total energy change during course of a reaction is independent of the…

Q: D. Э __ОН да

Q: On reaction with a Lewis Acid (BF3OEt2) in dichloromethane, the reaction shown takes place, with…

A: To draw the series of reaction which are leading to the formation of product A and B when the given…

Q: Calculate the concentrations of acetic acid (pK₁ = 4.76) and sodium acetate necessary to prepare a…

Q: What is specific objectives in extraction of lycopene from watermelon.

A: Lycopene from watermelon can be extracted as follows:

Q: A group of students completed an experiment to determine the effect of temperature on the solubility…

A: The graph can be made using the given data values using Excel.

Q: Two flasks are connected with a stopcock.Flask #1 has a volume of 2.5L and contains oxygen gas at…

A: Suppose two different containers contain gases, and they are separated by a valve. The resulting…

Q: Draw the resonance form of the following structure. Interactive 3D display mode H₂C CH3

A: In chemistry resonance means mesomerism, resonance structures indicates a sets of Lewis structures…

Q: 1. How many grams of water are produced from 100 grams of oxygen?

A: Note: As per the guidelines, solution of first question has been made. For the expert solution of…

Q: Add curved arrow(s) to draw the final step of the mechanism. 18rt Br 3-3 CH₂ H₂C Br H₂C

Q: Draw the most important resonance contributor of the following structure. Interactive 3D display…

Q: . How can the water displacement method be used to measure solid? the density of tan…

A: To measure the density of a solid , we need its mass and volume .

Q: Classify the following quantities if extensive or intensive property: 4 a.) Temperature b.) Mass c.)…

A: Given quantities: a) Temperature b) Mass c) Weight d) Volume We have to classify these quantities as…

Q: The molal freezing point depression constant =Kf·7.96°C·kgmol−1 for a certain substance X. When…

A: Answer: We will calculate the depression in freezing point using following formula:…

Q: How is the term solubilty: Represent and quantify chemical reactions at the atomic level?

A: Solubility is the amount of substance dissolved in given amount of solvent at specific temperature.…

Q: The weight in grams of NaOH can be computed if the number of moles and the molar mass are given. O…

A: Using mole concept easily determines how much mole , molecular weight is used or formed in any…

Q: certain substance X has a normal boiling point of 102.5°C and a molal boiling point elevation…

A: Given -> Normal boiling point= 102.5°C Molal boiling point elevation constant…

Q: 2. Grams to Moles Convert the following from grams to moles of the following. Write your solution…

A: To get the number of moles, at first we have to know the molar mass of the compound. Then deviding…

Q: What is the hybridization of the oxygen-bonded carbon atom in the following molecule? 1. S 2. p 3.…

Q: Calculate the kinetic energy of 150-g baseball moving at a speed of 40. m/s (89 mph). a) 6.0 J…

Q: 1. 50 milliliters (mL) of a certain liquid has a mass of 12.5 grams (g). What is its density? Show…

A: Please note- As per our company guidelines we are supposed to answer only one question. Kindly…

Concept explainers

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.

Question

014
If you are making 100 mL of a 0.1 M HEPES buffer starting from HEPES in the basic form, is it prudent to get 50
mL of 1 M HCI from the community reagent bottle to use for your titration? Explain.

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

The species called glacial acetic acid is 98% acetic acid by mass (d=1.0542g/mL). What volume of glacial acetic acid must be added to 100.0 mL of 1.25 M NaOH to give a buffer with a pH of 4.20?
When 40.00 mL of a weak monoprotic acid solution is titrated with 0.100-M NaOH, the equivalence point is reached when 35.00 mL base has been added. After 20.00 mL NaOH solution has been added, the titration mixture has a pH of 5.75. Calculate the ionization constant of the acid.
A 0.400-M solution of ammonia was titrated with hydrochloric acid to the equivalence point, where the total volume was 1.50 times the original volume. At what pH does the equivalence point occur?
What mass of NH4Cl must be added to 0.750 L of a 0.100-M solution of NH3 to give a buffer solution with a pH of 9.26? (Him: Assume a negligible change in volume as the solid is added.)
A buffer is prepared by dissolving 0.062 mol of sodium fluoride in 127 mL of 0.0399 M hydrofluoric acid. Assume no volume change after NaF is added. Calculate the pH of this buffer.
A 0.400-g sample of propionic acid was dissolved in water to give 50.0 mL of solution. This solution was titrated with 0.150 M NaOH. What was the pH of the solution when the equivalence point was reached?
How much solid NaCH3CO23H2O must be added to 0300 L of a 0.50-M acetic acid solution to give a buffer with a pH of 5.00? (Him: Assume a negligible change in volume as the solid is added.)
In an acid-base titration, 21.16 mL of an NaOH solution are needed to neutralize 20.04 mL of a 0.0997 M HCl solution. To find the molarity of the NaOH solution, we can use the following procedure: First note the value of MH in the HCl solution. ____________M Find MOH- in the NaOH solution. Use Eq.3. ____________M Obtain MNaOH from MOH. ____________M
Repeat the procedure in Exercise 61, but for the titration of 25.0 mL of 0.100 M pyridine with 0.100 M hydrochloric acid (Kb for pyridine is 1.7 109). Do not calculate the points at 24.9 and 25.1 mL.
A sodium hydrogen carbonate-sodium carbonate buffer is to be prepared with a pH of 9.40. (a) What must the [ HCO3 ]/[ CO32 ]ratio be? (b) How many moles of sodium hydrogen carbonate must be added to a liter of 0.225 M Na2CO3 to give this pH? (c) How many grams of sodium carbonate must be added to 475 mL of 0.336 M NaHCO3 to give this pH? (Assume no volume change.) (d) What volume of 0.200 M NaHCO3 must be added to 735 mL of a 0.139 M solution of Na2CO3 to give this pH? (Assume that volumes are additive.)
Consider a 10.0% (by mass) solution of hypochlorous acid. Assume the density of the solution to be 1.00 g/mL. A 30.0-mL sample of the solution is titrated with 0.419 M KOH. Calculate the pH of the solution (a) before titration. (b) halfway to the equivalence point. (c) at the equivalence point.
Malonic acid (HO2CCH2CO2H) is a diprotic acid. In the titration of malonic acid w ith NaOH, stoichiometric points occur at pH = 3.9 and 8.8. A 25.00-mL sample of malonic acid of unknown concentration is titrated with 0.0984 M NaOH, requiring 31.50 mL of the NaOH solution to reach the phenolphthalein end point. Calculate the concentration of the initial malonic acid solution. (Sec Exercise 113.)