1. In the H₂PO4 HPO4 buffer pair, what relative amounts of ion species will be present at pH a. 4.5 b. 5 C. 5.2 d. 6 pk₂ = 5.2 PH=4-5 PH= pka +log B/A 4-5 = 5.2 +10g B/A 4.5-5-2 log B/A -0-7= log B/A [100 = 0·7] tog B log (0-7) 14

1. In the H₂PO4 HPO4 buffer pair, what relative amounts of ion species will be present at pH a. 4.5 b. 5 C. 5.2 d. 6 pk₂ = 5.2 PH=4-5 PH= pka +log B/A 4-5 = 5.2 +10g B/A 4.5-5-2 log B/A -0-7= log B/A [100 = 0·7] tog B log (0-7) 14

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: What was the neutralization reaction when you added NaOH to the water? a. You added enough NaOH to…

A: When an acid an a base reacts to give salt and water, the reaction is called neutralisation. When a…

Q: 2. Consider the following: F2, F2, F₂* A. Draw the molecular orbital diagrams of all the species. B.…

A: According to Moleculer Orbital Theory, molecular orbitals are formed by the combination of atomic…

Q: Predict and calculate the effect of concentration changes on an equilibrium system. Some (CH3)2CHOH…

Q: In many reactions, warming the reaction mixture makes the reaction go faster. What is happening on a…

A: Collision theory of reaction rate: According to the collision theory of reaction rate, the randomly…

Q: In a dilute sodium bicarbonate solution, [H] = 1.8 x 10-8 M. Without using a calculator, what…

Q: Naproxen (AleveTM) HO. Carboxylic acid Ketone Ester Alcohol Ether

Q: Put the following four compounds in order of expected increasing Kow. Label with numbers 1 through…

Q: Examine the highlighted bond in the structure below. Select all the pictures in the table that…

A: -> The bond which are on outside is represented by the wedge and bonds which are on inside is…

Q: 4. Draw structures for 8-amino-5,7-dicyclopropyldecanal cis-8-amino-5,7-dicyclopropyldeca-3,9-dienal…

A: Given IUPAC names are a) 8-amino-5,7-dicyclopropyldecanal b)…

Q: Calcium (and magnesium and iron) ions can react with soap to form the insoluble bathtub annoying…

A: We need to write the chemical equation for reaction of Calcium, Magnesium and Irons with soap for…

Q: For a weak acid HA solution of 1.2 M (Ka = 4.4 x 10-7), Calculate: a. [H+] at equilibrium (to 3…

A: As per the guidelines we are supposed to answer the first three sub parts to solve remaining parts…

Q: derive the henderson-hasselbalch equation

A: Here we are required to derive Henderson Hasselbalch equation

Q: Give IUPAC Nomenclature for both compounds

Q: Name the following compound: HO. O(E)-4-phenylpent-3-en-1-ol O LF JE O (Z)-4-phenylpent-3-en-1-ol…

Q: Choose the correct intermediates and product for the following reaction. NBS,hv 1 Mg.THF II 2. H₂O*…

A: Here we are provide the intermediate formed at each Step as well as Final product.

Q: When 1453 J of heat energy is added to 42.0 g of ethanol, C₂H₂O, the temperature increases by 14.1…

A: Given - Heat energy=1453J Mass of ethanol =4 2.0 gram Change in temperature 14.1°C Cp=?

Q: NOMENCLATURE - Write formulas or names for the following compounds: 1. carbon dioxide 2. oxygen…

Q: 3A(g) + 1B(g) ⇄ 1C(g) 7.1 mol of A and 8.2 mol of B are put in a reactor with a volume of 2.42 L.…

Q: Calculate AS° values for the following reactions by using tabulated sº values from Appendix

Q: 1- Determine the mass of 6.46 mol of Pb, H₂SO4? 2- Determine the moles in 125.0 grams of nickel,…

Q: e the mass of CO that is in the collection t tion conditions and the nature of the gases = x10 X

Q: The reaction 2NOCL(g) → 2NO(g) + Cl2(g) has an E₁ of 100 kJ and a rate constant of 0.286 mol What is…

Q: The amount of energy released by the combustion of 1.00 mol of methane into gaseous products is A.…

Q: Using data from Appendix C of your textbook calculate the temperature, To, at which this reaction…

A: Given, 2NO→N2 + O2 ∆H°NO=90.25 KJ/mol,∆H°N2=0, ∆H°O2=0 ∆S°O2=205.138 J/mol.K, ∆S°N2=191.61J/mol.K,…

Q: A bag of pretzels has a mass of 283.5 g and costs 1.49. if the bag contains 18 pretzels, what is the…

Q: ● Question 5: Label each stereogenic center as R or S.

A: GIVEN : Structures of molecules

Q: зда ОН

Q: The density of water at 4.00°C is 0.967 g/mL. How many molecules of water are present in a 499.8 mL…

A: given : density = 0.967 g/mL volume = 499.8 mL

Q: (1) Identify each of the following half-reactions as either an oxidation half-reaction a reduction…

A: Oxidation: The chemical reaction in which a substance loses electrons is called oxidation. General…

Q: A chemist makes 780. mL of aluminum sulfate (Al₂(SO4)3) working solution by adding distilled water…

Q: If during the extraction of ethyl 4-aminobenzoate, a total of 25 ml of 3 M HCl was used, how many ml…

A: Given data, Volume of HCl = 25 mL Molarity of HCl = 3 M Molarity of NaOH = 6 M Let us assume volume…

Q: Does a reaction occur when aqueous solutions of chromium(III) nitrate and copper(II) sulfate are…

Q: Sildenafil (ViagraTM) Secondary amide Tertiary amine Primary amide. Secondary amine Primary amine HN…

A: we have to identify the functional group that is circled in red

Q: A 5.00 mol sample of an ideal gas is compressed irreversibly and isothermally m an initial volume of…

Q: For the following electron-transfer reaction: 3Cl₂(g) + 2Cr(s) →→→→ 6Cl¯(aq) + 2Cr³+ (aq) The…

Q: Calculate the pH of a 0.0159 M aqueous solution of formic acid (HCOOH, K₂ = 1.8x10- 4). pH =

Q: A chemist must dilute 44.5 mL of 443. mM aqueous copper(II) sulfate (CuSO4) solution until the…

Q: conjugate base conjugate acid 1:1 There is a ✓stochiometric ratio between NaOH and H₂CO3. Therefore,…

A: Given : The stoichiometry of the reacting species is equal or 1 : 1 . The neutralisation reaction…

Q: ema IUPAC? CH3CH2CHCICH(CH3)2

Q: 59. When a 32.7-g piece of chromium metal was placed into a graduated cylinder containing 25.0 mL of…

A: Density is defined as mass per unit volume.

Q: The following skeletal oxidation-reduction reaction occurs under acidic conditions. Write the…

A: Here we have to write the balanced reduction half reaction of the following given redox reaction.…

Q: O final the average must and the standard deviation of the empty vial Lilleanse, find the average…

A: Since you have asked multiple questions, we will solve first one for you. For remaining questions,…

Q: en n in in HI nitrit NO meth

A: Oxidation state is defined as charge on an atom when all of its bonds to different atoms were fully…

Q: An extended form of the combined gas law can be developed if moles of gas change. In this extended…

A: We have to find the correct relationship describing n1 and n2.

Q: Which of the following would be written as two separate ions in a complete ionic equation? View…

A: Complete ionic equation: • Complete ionic equation represents all the dissociating ions in a…

Q: Which of the following aqueous solutions will have the highest osmostic pressure 0.4 m KCl 0.3 m…

Q: Question: For an ideal gas inside a balloon, the pressure of the gas is 0.5 atm. Temperature (K)…

Q: Butane gas undergoes complete combustion with oxygen to produce carbon dioxide and water vapor. If…

A: Reaction involved : 2C4H10(g) + 13O2(g)-----> 8CO2(g) + 10H2O(l) This is balanced chemical…

Q: goubong suoy ban wold Soaps are soluble in water but fatty acids are not. Give a reason why. Write a…

Q: Calculate the overall energy change in kJ/mol for the formation of the hypothetical compound MX2…

A: Here, we have to find the energy change in kJ/mol for the formation of the hypothetical compound MX2…

Concept explainers

Precipitation Titration

Precipitation analysis is used to analyze drugs, and to measure the salt content in food and beverages. It is an important concept from the examination point of view many practical questions are asked on the topic. This topic is significant in the professional exams for both undergraduate and graduate courses, especially for

Question

Give a to d answer plz ?

1. In the H₂PO4
a.
4.5
b.
5
5.2
C.
d. 6
pk₂ = 5.2
HPO4 buffer pair, what relative amounts of ion species will be present at pH
PH=4-5
PH = pka +log B/A
4-5 = 5.2 + log B/A
4-5-5-2 = 10g B/A
50-7= log B/A
[100 = 0·7] tog
= log (0-7)
*/00</0
B
슴
1
14

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 1v

Step 2

Step 3

Step 4

Step by step

Solved in 4 steps with 6 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 200.00 mL solution of 0.00105 M AB4 is added to a 270.00 mL solution of 0.00245 M CD5. What is pQsp for AD4? pQsp = -log(Qsp)
CrO42- can be used as an indicator when Br- is titrated with Ag+. What concentration of CrO42- should be used so that Ag2CrO4(s) just starts to form at the equivalence point? If a concentration of 0.0010 M CrO42- is used instead, at what concentration of Br- will Ag2CrO(s) just start to precipitate? Do you think this is likely to introduce significant error? The Ksp for Ag2CrO4(s) is 1.2x10-12.
PART 2: A solution is prepared by mixing 150.0 mL of 0.0010 M magnesium nitrate and 250.0 mL of 0.100 M sodium fluoride (Ksp = 7.4x10-11). Is Ksp greater than , equal to, or lower than Qsp? Will a precipitate form, Y/N? What is the fluoride ion concentration (in solution) after mixing is complete? Give your answer in exponential form and to three sig. figs. (e. g. 1.23E-3). What is the magnesium ion concentration (in solution) after mixing is complete? Give your answer in exponential form and to three sig. figs. (e. g. 1.23E-3).
1. What is the molar solubility of PbCl2 in a solution of 0.23 M CaCl2? Ksp = 1.6 ✕ 10-5 for PbCl2. 2. What is the Qsp when 32.0 mL of 6.50 ✕ 10-7 M Na3PO4 are mixed with 41.4 mL of 5.50 ✕ 10-5 M CaCl2? Assume the volumes are additive. Ksp = 2.0 ✕ 10-29. 3. What is the Qsp when 61.0 mL of 1.50 ✕ 10-4 M AgNO3 are mixed with 80.0 mL of 5.20 ✕ 10-3 M CaCl2? Assume the volumes are additive. Ksp = 1.6 ✕ 10-10. 4. What [I-1] is needed to start the precipitation of AgI from a saturated solution of AgCl? Ksp = 2.9 ✕ 10-16 for AgI and Ksp = 1.2 ✕ 10-10 for AgCl.
How would you use an experimentally determined Ksp value to calculate that Ag2CrO4 should precipitate when 5ml of 0.0040 M AgNO3 are added to 5ml of 0.0024 M K2CrO4. You can come up with your own experimentally Ksp value. I just want to see steps in solving
Two hypothetical salts, LM2 and LQ, have the same molar solubility in H2O. If Ksp for LM2 is 3.20 × 10–5, what is the Ksp value for LQ?
(a) For the precipitation reaction: A+ + B–  AB(s)Calculate the value of the equilibrium constant for 99.99% conversion to AB atthe equivalence point, assuming that the analyte content is 5.00 mmole and thetotal volume at the equivalence point is 100.00 mL.(b) What factors affect end-point sharpness in a precipitation titration? Explain.(c) Explain briefly why silver nitrate is an important reagent used in precipitationtitrations.(d) Mohr Method, Volhard Method and Fajans Method are commonly used for thevolumetric analysis of chlorides. Distinguish the three methods in terms of thetitrants and indicators used, and how the titrations are carried out.
What is the molar solubility of PbBr2 in an aqueous solution containing (1.5x10^-1) M KBr? The Ksp of PbBr2 is 4.6 × 10-6 Note: Your answer is assumed to be reduced to the highest power possible.
Calculate the solubility (in g/L) of silver chromate in water at 25°C if the Ksp for Ag3PO4 is 1.75 × 10-18. Ag3PO4(s) <==> 3Ag+ (aq) + PO43- (aq); Ksp = 27s4, s = _________ mol/L x MM of Ag3PO4 = _________ g/L.
What is the molar solubility of a. As2Cd3O8 (Ksp = 2.2E-33) b. Be(OH)2 (Ksp = 6.9E-22) c. Cu3(AsO4)2 (Ksp = 8.0E-36) in pure H2O at 25 deg C?
What is the solubility of AgCN (Ksp= 6.0 x 10^-17) in 0.20 M Na2S2O3 solution? Note that silver and the anion S2O3^- 2 can form a complex Ag(S2O3)2^3- which has Kf= 1.3 x 10^21.
The Ksp for CoCO3 = 1.0 × 10–10 and the Ksp for PbCO3 = 7.4 × 10–14. When Na2CO3 is added dropwise to a solution containing 0.010 M Co2+ and 0.010 M Pb2+, which ion will precipitate first? What must the [CO32–] be so that the first ion to precipitate comes out of solution, but the second ion does not?