I don't understand what the xM is or how to find [H+] TUTOR Calculate pH Using the Nernst EquationA concentration cell consisting of two hydrogen electrodes (PH, = 1 atm), where the cathode isa standard hydrogen electrode and the anode solution has an unknown pH, has a cell voltageof 0.186 V. What is the pH in the unknown solution? Assume the temperature of the solutionsis 298 K.pH =SubmitShow Approach Hide Tutor StepsTUTOR STEPThe equations for the anode and cathode reactions are in thethey giveproach. When summed2 H*(aq, 1 M) =2 H*(aq, x M)which gives[H* (aq, x M)|_ [H*(aq, x M)]?[H* (aq, 1 M)]?(1 м)?Use this to solve for the unknown [H*] and the pH. Enter the pH value.pH = 8.3( Recheck Next (3 of 3)3rd attemptIncorrectQ = [H* (aq, x M)]³/(1 M)², so [H*] =v/(Q M)²)pH = -log[H*]Submit AnswerRetry Entire Group9 more group attempts remaining

According to the question, we have a hydrogen concentration cell. The cell diagram of the cell is…

Answered: what | bartleby

Science

Chemistry

what

Chemistry

9th Edition

ISBN:9781133611097

Author:Steven S. Zumdahl

Publisher:Steven S. Zumdahl

Chapter18: Electrochemistry

Section: Chapter Questions

Problem 83E: Consider a concentration cell that has both electrodes made of some metal M. Solution A in one...

See similar textbooks

Related questions

Q: Describe the hybridization of the atoms involved in the circled bond below.

Q: Determine the lattice constant, a (in nm), of a metal conforming to the BCC structure having an…

Q: The backbone of a strand of nucleic acid consists of Multiple Choice phosphate units only sugar…

Q: Consider a Galvanic cell constructed from the following half cells, linked by an external circuit…

Q: 5 Write equilibrium expressions for these reactions. (a) 2H,0,g)=2H,0(g) + O,g) (b) 2N,0,(g)=2N,O,g)…

A: Equilibrium constant is the ratio of product of concentration of products raised to their…

Q: 4. Consider the reaction mechanism shown below. Derive an equation for the rate of production of…

Q: 02 人でH3OH CH3 H3 C +Hz Pd/C -> CI CH3

A: Detail mechanistic pathway is given below to find out the product

Q: Cro, (aq) + Cu(5) — Cr(ОH)3(9) + Cu(ОН)2(6) [basic] 2- 2Cro, (aq) +8H,01)+3Cu(s) +4e –2Cr(OH), (s)…

A: Balanced basic equation. Is this the correct way to balance a basic equation?

Q: QUESTION 2 Acetic acid (pKa4.96) was diluted using an equimolar amount of sodium acetate. The…

Q: uestio 16 Which one of the following 1.0 M solutions would be expected to have the highest pH? A)…

A: Bases have the high PH and acids have low PH. So , here we need to compare only two bases that is…

Q: N2+ 3H 2 → 2NH 3 How many grams of nitrogen are needed to produce 300 grams of ammonia? O a. 247 O…

Q: 22 Describe how we would prepare the following solutions: 22 (a) 250 mL of a 3.6% w/v solution of…

A: As we know that w/v% = w/v × 100 there fore a). W=( w/v%× v )/100 W=(3.6×250)/100 W= 9g by…

Q: Give the IUPAC name

A: We have to predict the nomenclature of given compound.

Q: EXPERIMENTATION - Exercise 1 Observing Boyle's Law In this exercise, you will increase the pressure…

A: The solution is given below -

Q: The only true hydrocarbon polymer found in nature is Multiple Choice polystyrene. rubber neoprene.…

A: Polymers are the macromolecules, made up of a large number of repeating structural units called…

Q: Draw a schematic of the Ribosome beginning to synthesise a protein. In your diagram label the…

A: The process in which the m-RNA synthesize the protein molecule is known as translation process.…

Q: Question 46 Which is the better acid? он OH or ethanol acetic acid O ethanol acetic acid

A: Greater the acidity higher the stable its conjugate base. On the basis of this theory we will tell…

Q: the amount of disolved oxygen in Sample of mol L what is this in units of milligrans niver water is…

A: To express the given concentration of dissolved oxygen in mg/L

Q: For the reaction between 1-bromobutane and NaOH to form 1-butanol, what is the nucleophile? O OH O…

Q: Write the net ionic equation for the reaction between barium hydroxide and sulfuric acid. Use…

Q: The condensation reaction shown below produces 2 anomeric products. Draw the structures of both…

Q: Consider the following reaction: CH3COOH + H2O CH3COO + H3O* The position of equilibrium lies to…

Q: The "action level" concentration for lead in drinking water is 15 ppb lead. How many grams of lead…

A: Given : concentration of lead in solution = 15 ppb Volume of water = 1 L To calculate : Mass of…

Q: Please write the value for their electrode potential: Predict the products of electrolysis of the…

Q: DATA FROM RECRYSTALLIZATION EXPERIMENT Weight of crude benzoic acid, g 0.2498 Weight of filter…

Q: 8 Answer true or false. (a) Water is a good solvent for ionic compounds because water is a polar…

A: Water is a polar solvent and it can dissolve an ionic or polar covalent compound.

Q: Determine the formal charge on each atom in the structure. :0: Answer Bank +1 -1 +2 -2 +4 P-0: -4 +3…

A: Formal charge is the charge of individual atom in that compound.

Q: What is the maximum number of grams of ammonia, NH 3, that can be obtained from the reaction of 5.0…

Q: Problems requiring More Work 1. The decomposition of hydrogen peroxide was studied and the data…

A: Answer a) as per the rate law: rate = -1/2 d [H2O2]/dt answer b) as R^2 value is highest in graph…

Q: The following table lists molecular weight data for a polypropylene material. Molecular Weight Range…

A: a) Number average molecular weight Mn = xiMi = (0.05 x 12000 g/mol + 0.15 x 20000 g/mol + 0.23 x…

Q: 16 Write the chemical equations corresponding to the fol- lowing equilibrium expressions. [H,CO,]…

A: Equilibrium constant expression: In equilibrium constant (K) expression the concentration of the…

Q: जोण्ट को खेतेपलेणच्छ ली a) (z) 2,3-dime thyl-3-hexene 1,3-hexa digme (b)

A: Given : IUPAC name of compounds (Z) 2,3-dimethyl-3-hexene 1,3-hexadiyne To draw :- structure of…

Q: Which of the following statements is/are correct? I. Positron emission decreases the mass number of…

A: Positron emission occurs when a proton in a radioactive nucleus changes into a neutron and in that…

Q: 20 Write the equilibrium expression for this reaction: HNO, (aq) + H,O(e) H,0*(aq) + NO, (aq)

A: Equilibrium reaction of dissolution of HNO3 In water is as follows HNO3+H2O <===> H3O^+ +…

Q: 8 Answer true or false. (a) Water is a good solvent for ionic compounds because water is a polar…

A: Ans. (a) True Water has a high dielectric constant and is polar in nature therefore ionic compounds…

Q: An essential amino acid is one that Multiple Choice must be included Iin the diet. the body can…

A: Given, which is true about essential amino acid.

Q: and 27oC is cooled to -48oC at 608 torr. a. What is the final volume? b. How many moles of gas…

Q: A 1.2 g sample of mixture of NaOH and Na,COs containing inert impurities s dissolved and titrated…

A: Given : Weight of sample = 1.2 g Concentration of HCl = 0.5 N Volume of HCl to reach…

Q: Determine the net ionic equation for the following chemical reaction: NH4OH (aq) + HCl(aq)…

Q: CH,OH CH3 CH,OH соон HO- 0=C H CHOH но —сн но —сн HC но to coOH —о, соон СНОН H H- HN H -HO- -он H…

Q: Chloroform, an important solvent, is prepared by the chlorination of methane at 721 K. CH4(g) +…

A: Chlorination of methane is given by CH4 (g) + Cl2 (g) → CH3Cl (g) + HCl (g) Temperature, T = 721 K…

Q: For the reaction NI2*(aq) + 2FE2*(aq) – NI(s) + 2FE3*(aq), the standard cell potential Ecell is…

Q: Containing a Single unkown Solution is added to 3. test tubes Calion following added and The anions…

A: To predict the cation , we would use solubility rules to check which cation form insoluble Compound…

Q: What is the percent yield of CO 2 if the reaction of 10.0 grams of CO with excess O 2 produces 12.27…

Q: Should the gas have a higher pressure when the temperature is low or when the temperature is high?…

A: Introduction : The ideal gas law indicates that at low pressures, the volume of a gas is…

Q: Chemistry 1.Predict the IR signal in the 1-bromo-3-ethylbenzene. (Approximate wave number for each…

Q: The local anesthetic ethyl chloride ( C2H5Cl, MM 64.51 g/mol) can be prepared by the reaction of…

Q: 15. Calculate the AH for the decomposition of one mole af nitroglycerin using the standard bond…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Q4 :- What is the hydroxide ion concentration in a solution that has a pH = 4.5? %3D

Q: Give the correct IUPAC name for the following compound. For alkenes, when appropriate, indicate…

A: In this question we have to tell the IUPAC name of the compound.

Concept explainers

Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.

Question

I don't understand what the xM is or how to find [H+]

TUTOR Calculate pH Using the Nernst Equation
A concentration cell consisting of two hydrogen electrodes (PH, = 1 atm), where the cathode is
a standard hydrogen electrode and the anode solution has an unknown pH, has a cell voltage
of 0.186 V. What is the pH in the unknown solution? Assume the temperature of the solutions
is 298 K.
pH =
Submit
Show Approach Hide Tutor Steps
TUTOR STEP
The equations for the anode and cathode reactions are in the
they give
proach. When summed
2 H*(aq, 1 M) =2 H*(aq, x M)
which gives
[H* (aq, x M)|_ [H*(aq, x M)]?
[H* (aq, 1 M)]?
(1 м)?
Use this to solve for the unknown [H*] and the pH. Enter the pH value.
pH = 8.3
( Recheck Next (3 of 3)
3rd attempt
Incorrect
Q = [H* (aq, x M)]³/(1 M)², so [H*] =v/(Q M)²)
pH = -log[H*]
Submit Answer
Retry Entire Group
9 more group attempts remaining

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

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

Consider a voltaic cell in which the following reaction occurs. Zn(s)+Sn2+(aq)Zn2+(aq)+Sn(s) (a) Calculate E° for the cell. (b) When the cell operates, what happens to the concentration of Zn2+? The concentration of Sn2+? (c) When the cell voltage drops to zero, what is the ratio of the concentration of Zn2+ to that of Sn2+? (d) If the concentration of both cations is 1.0 M originally, what are the concentrations when the voltage drops to zero?
Halide ions can he deposited at a silver anode, the reaction being Ag(s) + X- AgX(s) +e- Suppose that a cell was formed by immersing a silver anode in an analyte solution that was 0.0250 M Cl-,Br-, and I -ions and connecting the half-cell to a saturated calomel cathode via a salt bridge. (a) Which halide would form first and at what potential? Is the cell galvanic or electrolytic? (b) Could I- and Br- be separated quantitatively? (Take 1.00 l0-5 M as the criterion for quantitative removal of an ion.) If a separation is feasible, what range of cell potential could he used? (c) Repeat part (b) for I- and Cl-. (d) Repeat part (b) for Br- and Cl-.
Consider a voltaic cell in which the following reaction takes place in basic medium at 25°C. 2NO3-(aq)+3S2(aq)+4H2O3S(s)+2NO(g)+8OH(aq) (a) Calculate E°. (b) Write the Nernst equation for the cell E. (c) Calculate E under the following conditions: PNO=0.994atm,ph=13.7,[S2]=0.154M,[NO3-]=0.472M, .
Determine the standard cell potential and the cell potential under the stated conditions for the electrochemical reactions described here. State whether each is spontaneous or nonspontaueous under each set of conditions at 293.15 K. (a) Hg(l)+S2(aq,0.10M)+2Ag+(aq,0.25M)2Ag(s)+HgS(s) (b) The galvanic cell made from a half-cell consisting of an aluminum electrode in 0.015 M aluminum nitrate solution and a half—cell consisting of a nickel electrode in 025 M nickel(l) nitrate solution. (c) The cell made of a half-cell in which 1.0 M aqueous bromide is oxidized to 0.11 M bromine ion and a half-cell in which aluminum ion at 0.023 M is reduced to aluminum metal. Assume the standard reduction potential for Br2(l) is the same as that of Br2(aq).
The saturated calomel electrode. abbreviated SCE. is often used as a reference electrode in making electrochemica1 measurements. The SCE is composed of mercury in contact with a saturated solution of calomel (Hg2Cl2). The electrolyte solution is saturated KCI. is +0.242 V relative to the standard hydrogen electrode. Calculate the potential for each of the following galvanic cells containing a saturated calomel electrode and the given half-cell components at standard conditions. In each case. indicate whether the SCE is the cathode or the anode. Standard reduction potentials are found in Table 17.1. a. Cu2++2eCu b. Fe3++e-Fe2+ c. AgCl+e-Ag+Cl- d. Al3++3eAl e. Ni2++2eNi
Calculate the standard potential for the half-reaction BiOCl(s)+2H++3eBi(s)+Cl+H2O given that Ksp for BiOCl has a value of 8.1 10-19.
Calculate the voltages of the following cells at 25°C and under the following conditions: (a) Zn|Zn2+(0.50M)Cd2+(0.020M)|Cd (b) Cu|Cu2+(0.0010M)H+(0.010M)|H2(1.00atm)|Pt
Calculate the voltages of the following cells at 25°C and under the following conditions: (a) Cu|Cu+(0.80M)Hg22+(0.10M)|Hg|Pt (b) Cr|Cr3+(0.615M)Ni2+(0.228M)|Ni
Consider a concentration cell that has both electrodes made of some metal M. Solution A in one compartment of the cell contains 1.0 M M2+. Solution B in the other cell compartment has a volume of 1.00 L. At the beginning of the experiment 0.0100 mole of M(NO3)2 and 0.0100 mole of Na2SO4 are dissolved in solution B (ignore volume changes), where the reaction M2+(aq)+SO42(aq)MSO4(s) occurs. For this reaction equilibrium is rapidly established, whereupon the cell potential is found to be 0.44 V at 25C. Assume that the process M2++2eM has a standard reduction potential of 0.31 V and that no other redox process occurs in the cell. Calculate the value of Ksp for MSO4(s) at 25C.
What is wrong with the following statement: The best concentration cell will consist of the substance having the most positive standard reduction potential. What drives a concentration cell to produce a large voltage?
The measurement of pH using a glass electrode obeys the Nernst equation. The typical response of a pH meter at 25 00C is given by the equation where contains the potential of the reference electrode and all other potentials that arise in the cell that are not related to the hydrogen ion concentration. Assume that = 0.250 V and that a. What is the uncertainty in the values of pH and [H+] if the uncertainty in the measured potential is 1 m V ( 0.001 V)? b. To what precision must the potential be measured for the uncertainty in pH to be 0.02 pH unit?