Answered: A 130.0 mL buffer solution is 0.110…

A 130.0 mL buffer solution is 0.110 molL−1 in NH3 and 0.130 molL−1 in NH4Br . Part A What mass of HCl will this buffer neutralize before the pH falls below 8.65? (Kb(NH3)=1.76×10−5 )

Introductory Chemistry For Today

8th Edition

ISBN:9781285644561

Author:Seager

Publisher:Seager

Chapter9: Acids, Bases, And Salts

Section: Chapter Questions

Problem 9.145E

See similar textbooks

Related questions

Q: ✔nk the elements or compounds in the table below in decreasing order of their boiling points. That…

A: Boiling point of the compound is depend upon the molecular weight of the compound higher is the…

Q: For each of the following elements, predict where the "jump" occurs for successive ionization…

Q: SOLVE THE FOLLOWING PROBLEM AND SHOW YOUR COMPLETE AND DETAILED SOLUTIONS Calculate the number of…

A: A limiting reagent is a species which is consumed completely during the reaction. It determines the…

Q: Consider the following table: Name Formula Conjugate Acid Ammonia NH3 Methylamine CH3NH₂ Ethylamine…

Q: OPTIONAL Provide a synthetic route for the following reaction OH Br several steps Br

A: The given transformation involves three steps. Conversion of alcohol to alkeneFormation of cis-diol…

Q: Give the product expected when the following alcohol reacts with pyridinium chlorochromate (PCC).…

Q: Add curved arrow(s) to draw the final step of the mechanism. H-8-H + -CH₂ 8. HỖ! -CH₂

A: In an organic reaction mechanism, a curved arrow represents the transfer of electrons. In an organic…

Q: Predict the major product of this reaction. Be sure to include the key model tnat predicts the…

A: This is an organometallic reagent, -CH3 act as a nucleophile it attack to the carbonyl carbon.

Q: List all possible values of the magnetic quantum number m, for a 4d electron. m₁ = 0

A: Orbital given = 4dAll possible value of ml= ?

Q: There are two main typs of isotopes of Bromine in the nature, one is 79Br with the atomic mass of 79…

Q: By retrosynthetic analysis draw appropriate reagents above and or below each arrow as well as a…

A: The given retro synthesis scheme is shown below.We have to predict the reagents and the missing…

Q: A 28.5 g piece of gold is heated and then allowed to cool. What is the change in temperature (°C) if…

Q: Write the systematic (IUPAC) name for each of the following organic molecules: structure N NH name 0…

A: RULES for IUPAC nomenclature; In first step, we identify functional groups present. We make longest…

Q: 2. Predict the major organic product (if any) of the follow reactions. CI Methanol Br Sodium…

A: The given reactions are shown below.We have to predict the major product of given reaction.

Q: A cylinder within a piston expands from a volume of 1.00 L to a volume of 2.00 L against an external…

A: Cylinder expansion takes place from Initial volume V1 = 1.00 L to Final volume V2 = 2.00 L External…

Q: Give the IUPAC name for the following compound. CN

A: Rule of IUPAC:1) Longest chain as parent chain.2) Numbering start from those side where more prior…

Q: A galvanic cell is powered by the following redox reaction: 3 Br₂(1) + 2 NO(g) + 4 H₂O(1) 6 Br (aq)…

Q: Which of the following molecule is more acidic and why? 0 A OH OA, electronegativity OB,…

A: The compound which can give a proton is called an acid. easier the release of the proton, more will…

Q: For each organic reaction, say whether at equilibrium there will be more reactants than products (so…

A: Answer:Any specie that loses H+ ion in its solution is called as Bronsted-Lowry acid and the specie…

Q: Which of the following molecules contains the oxygen atom with the most negative charge? OCH ₂0 O…

A: Negative charge density on the oxygen atom is depends on the formal charge on the oxygen atom and…

Q: 디

Q: P11C.9 Provided higher order terms are neglected, eqn 11C.9b for the vibrational wavenumbers of an…

A: Given,The equation for vibration frequency neglecting the higher terms:To find the value of .

Q: Predict the major product of the following reaction and draw it in the space provided. 1) NaOEt 2)…

A: The question is based on organic reactions.We need to identify the product and explain its…

Q: Provide products for each of the following reactions. One of these questions has a major and a minor…

A: All the above reactions belong to carbonyl reactions in which one of the intermediates is enolate…

Q: How many signals would you expect in the ¹H NMR spectrum for the following compound? хох А) 3 В 1 2

A: Here, an organic molecule is given with its structural representation.We have to find out the number…

Q: Which is the major organic product of the reaction below? A Ph 1. LDA, -78 C 2. Ph 3. H₂O™. A H B ?…

A: LDA abstracts alpha-H from the less substituted carbon to form the enolate ion. Enolate ion then…

Q: A chemistry graduate student is given 100. mL of a 1.00M propanoic acid (HC₂H₂CO₂) solution.…

A: From given dataConcentration propanoic acid = 1.00 M Ka=1.3105pH of buffer = 5.39The volume of…

Q: Write balanced half-reactions for the following redox reaction: 1₂(s) +2 NO₂(g) + 2 H₂O(1)…

A: Answer:Word Redox is the combination of Red (from reduction) and Ox (from oxidation), that's why…

Q: Is there a molecule that could have the common name "methylmalonic acid"? If so, draw its skeletal…

Q: A buffer solution that is 0.484 M in HClO and 0.484 M in KClO has a pH of 7.46. The addition of 0.01…

A: A buffer is a solution which resists any change in pH on adding a small amount of acid or base.It is…

Q: An atomic anion with a charge of -1 has the following electron configuration: [Kr] 5s²4d¹05p6 What…

A: This question belong to Atomic Structure that is Electronic Configuration.[Kr] has 36…

Q: Draw a curved arrow mechanism for Step 1 of this reaction, showing the formation of the…

A: To draw the intermediate of the given organic reaction.

Q: Choose the structure for cis-1-bromo-3-methylcyclohexane in the most stable conformation. CH3 CH3 A…

A: The basic principle is; the bulky group should always come at equatorial position.The higher the…

Q: 7 Describe the theory behind:- a) Precipitation Age Hardening of Aluminum alloys b) Hardenability of…

A: a) The precipitation age hardening mechanism in aluminum alloys occurs due to the formation of a…

Q: (a) What reagents would be used for the conversion of alkene A into the target? (b) What reaction…

A: The given reaction scheme explains the formation of a substituted benzene starting from the…

Q: Write the systematic name of each organic molecule: CH3CH₂ CH₂ structure — CH3 CH₂- O ||…

A: Given,The molecules:

Q: Identify the meso compound(s). OH OH O I, II, and III Land ill only = НО OH ||| OH

A: Meso compounds possess the plane of symmetry which divides the molecule into two equal parts in such…

Q: Draw the all the products for this reaction. Indicate which product is the major product. HBr 0°℃ ??

A: Conjugate dienes undergo hydrohalogenation reaction with HBr . When HBr is used two products are…

Q: a. b. C. COOH COOH Δ [1] LDA [2] CH₂CH₂l [1] Brz. CH,CO,H [2] Li₂CO3. LiBr. DMF

A: Note: “Since you have posted a question with multiple sub parts, we will provide the solution only…

Q: A buffer solution was prepared by adding 4.75 g of sodium acetate, NaCH3 CO₂, to 2.50 x 10² mL of…

A: Given,Mass of Molar Mass of Moles of Volume of the Solution = 2.50 x 102 mLMolarity of The…

Q: Celestine, SrSO4 (s) and barite, BaSO4 (s), are added to pure water. When the system comes to…

A: Ba2+:- 2.21×10-7MSr2+:- 4.83×10-4MSO42- :- 4.832 ×10 -4 M 2- :- 4.832 ×10 -4 M

Q: 6. Using cyclohexane and ethyne as your only source of carbon propose a synthetic route to make the…

A: To get the target molecule,at first we have to do the halogenation of alkane,by reaction of…

Q: Using a Grignard reaction, show how you could prepare the following alcohol. OH Select the reactants…

A: Grignard reagent reacts with formaldehyde to form a primary alcohol. The reaction proceeds by a…

Q: Below is the Lewis structure of the fluoramine (NH₂F) molecule. ww :F: H:N:H Count the number of…

Q: 5) Which of the following best describes IC12-? It has a molecular geometry that is A) non-linear…

A: Molecular geometry is the three dimensional arrangements of the atoms ..

Q: 10) Ronald loves to can anything and everything and is always working hard to improve his recipes.…

A: The question is based on the concept of the pH of the solution.It is defined as a negative logarithm…

Q: Draw the condensed structure of an isomer of this molecule: CH₂=CH-CH=CH-CH₂CH3

A: Condensed structures are those structures which is written in such a way that it omit all the single…

Q: How many valence electrons are in the peroxide ion X S

A: Valence electrons: are those electrons which are present in the outermost shell of an…

Q: Draw the structure of the alkene with the molecular formula C6H₁0 that reacts with Br₂ to give this…

A: Alkenes behave as nucleophiles due to the presence of excess electron clouds.Alkenes are prone to…

Q: Which of the following is the major product of the reaction shown? OH ol C Ⓡ • O 11 111 IV V 11…

A: An arrow always depicts from a region of high electron density to low electron density ; that is…

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

A 130.0 mL buffer solution is 0.110 molL−1 in NH3 and 0.130 molL−1 in NH4Br . Part A What mass of HCl will this buffer neutralize before the pH falls below 8.65? (Kb(NH3)=1.76×10−5 )

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Determine the mass of HCl from the given data:

VIEW

Step 2: Calculation for moles of each species after add acid HCl:

VIEW

Step 3: Calculation for mass of HCl:

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 4 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

You want to make a buffer with a pH of 10.00 from NH4+/NH3. (a) What must the [ NH4+ ]/[ NH3 ]ratio be? (b) How many moles of NH4Cl must be added to 465 mL of an aqueous solution of 1.24 M NH3 to give this pH? (c) How many milliliters of 0.236 M NH3 must be added to 2.08 g of NH4Cl to give this pH? (d) What volume of 0.499 M NH3 must be added to 395 mL, of 0.109 M NH4Cl to give this pH?
Consider the nanoscale-level representations for Question 110 of the titration of the aqueous weak acid HX with aqueous NaOH, the titrant. Water molecules and Na+ ions are omitted for clarity. Which diagram corresponds to the situation: After a very small volume of titrant has been added to the initial HX solution? When enough titrant has been added to take the solution just past the equivalence point? Halfway to the equivalence point? At the equivalence point? Nanoscale representations for Question 110.
What is the pH of a buffer that is 0.175 M in a weak acid and 0.200 M in the acids conjugate base? The acids ionization constant is 5.7 104.
The buffer capacity indicates how much OH- or H+ ions a buffer can react with. What is the buffer capacity of the buffers in Problem 10?
Which of the following would form a buffer if added to 250.0 mL of 0.150 M SnF2? (a) 0.100 mol of HCl (b) 0.060 mol of HCI (c) 0.040 mol of HCl (d) 0.040 mol of NaOH (e) 0.040 mol of HF
A buffer is made up of 239 mL of 0.187 M potassium hydrogen tartrate (KHC4H4O6) and 137 mL of 0.288 M potassium tartrate (K2C4H4O6). Ka for is (H2C4H4O6)4.55105. Assuming volumes are additive, calculate (a) the pH of the buffer. (b) the pH of the buffer after adding 0.0250 mol of HCI to 0.376 L of the buffer. (c) the pH of the buffer after adding 0.0250 mol of KOH to 0.376 L of the buffer.
A buffer solution with it pH of 12.00 consists of Na3PO4 and Na2HPO4. The volume of solution is 200.0 mL. (a) Which component of the buffer is present in a larger amount? (b) If the concentration of Na3PO4 is 0.400 M, what mass of Na2HPO4 is present? (c) Which component of the buffer must be added to change the pH to 12.25? What mass of that component is required?
Calculate the pH change when 10.0 mL of 0.100-M NaOH is added to 90.0 mL pure water, and compare the pH change with that when the same amount of NaOH solution is added to 90.0 mL of a buffer consisting of 1.00-M NH3 and 1.00-M NH4Cl. Assume that the volumes are additive. Kb of NH3 = 1.8 × 10-5.
Which of the following would form a buffer if added to 250.0 mL of 0.150 M SnF2? (a) 0.100 mol of HCl (b) 0.060 mol of HCl (c) 0.040 mol of HCl (d) 0.040 mol of NaOH (e) 0.040 mol of
Which of the following would form a buffer if added to 295 mL of 0.380 M HCl? (a) 0.100 mol of NH4Cl (b) 0.033 mol of KF (c) 0.167 mol of Sr(OH)2 (d) 0.279 mol of KNO2 (e) 0.112 mol of KClO
A chemistry graduate student is given 125. mL of a 1.20M dimethylamine ((CH3)₂NH) solution. Dimethylamine is a weak base with K₁=5.4 × 10-4. What mass of (CH3)NH₂Br should the student dissolve in the (CH3) NH solution to turn it into a buffer with 2 pH = 11.05? You may assume that the volume of the solution doesn't change when the (CH3)NH₂Br is dissolved in it. Be sure your answer has a 2 unit symbol, and round it to 2 significant digits.
Which of the following combination of solutions will form a buffer solution? (A) 50.0 mL of 0.20 M NH3 + 50.0 mL of 0.10 M HCl; (B) 50.0 mL of 0.20 M NH3 + 50.0 mL of 0.10 M NaOH; (C) 50.0 mL of 0.20 M HCl + 50.0 mL of 0.10 M NH3; (D) 50.0 mL of 0.20 M NaOH + 50.0 mL of 0.10 M HCl.