A lithium ion-selective electrode gave the potentials given next for the following standard solutions of LiCl and

Question:

A lithium ion-selective electrode gave the potentials given next for the following standard solutions of LiCl and two samples of unknown concentration:

(a) Construct a calibration curve of potential versus log a_Li⁺, and determine if the electrode follows the Nernst equation.
(b) Use a linear least-squares procedure to determine the concentrations of the two unknowns.

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Fundamentals Of Analytical Chemistry

ISBN: 9780357450390

10th Edition

Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch

See More Books

Question Posted: May 10, 2022 01:41 AM

See More Questions

Use electrode potentials to answer the following questions, assuming standard conditions. (a) Do you expect permanganate ion (MnO4 ) to oxidize chloride ion to chlorine gas in acidic solution? (b)...
The half-cell reduction potential is provided by the Nernst equation (Equation 14-8): (a) On the graph below, plot the reduction potentials for the FADH2/FAD half-cell (E°² = - 0.219 V) when...
Use electrode potentials to answer the following questions. (a) Is the oxidation of nickel by iron(III) ion a spontaneous reaction under standard conditions? Ni(s) + 2Fe3+(aq) Ni2+(aq) + 2Fe2+(aq)...
A solid homogeneous disk 900 mm in diameter with a mass of 140 kg is rolled up 20 incline by a force of 1000 N, applied parallel to the plane. Assuming no slipping. determine the speed of the disk...
One thousand shares of Frontier Mining were purchased at $6.50 per share. The share price rose 110% in the first year after purchase, declined 55% in the second year, and then dropped another 55% in...
Distinguish a sensory receptor from an effector.
For an aged trial balance prepared by the client, explain (a) the auditor's responsibilities and (b) the specific types of data he may obtain therefrom.
Austen Educational Services had budgeted its training service charge at $100 per hour. The company planned to provide 30,000 hours of training services during 2015. By lowering the service charge to...
John's financial goal is to save $58,850 every year the next 18 years. He will be investing in an instrument with a stated interest rate of 7% per annum. His deposits will be at the end of each...
Which of the following transactions would not be counted in GDP? Explain your answers. a. You buy a new pair of Lucchese Cowboy boots at the Lucchese factory in El Paso, Texas. b. You buy a vintage...
A fluoride electrode was used to determine the amount of fluoride in drinking water samples. The results given in the table that follows were obtained for four standards and two unknowns. Constant...
In testing the effectiveness of a new vaccine, suppose that researchers used males for the treatment group and females for the placebo group. What is confounding, and how would it affect such an...
What is the dihedral angle and expected coupling constant between the labeled protons in each of the following molecules? (a) (b) Ho
Can the American healthcare system improve while remaining a lucrative sector of the economy? Should there be stricter regulation on how much profit can be made from providing healthcare?
Suppose Best Buy company is forecasting a constant annual decline in its dividends of 4% (i.e. the constant growth rate is -4%). What price would you expect to pay for the stock with a 9.5% required...
Breitenberg Company reported inventory in the 2022 year-end balance sheet, using the average cost method, as $151,000. In 2023, the company decided to change its inventory method to FIFO. If the...
You are examining the market for Fresca soda. The market is initially in equilibrium. Then, a process is discovered that uses less artificial sweetener to produce a batch of soda, and the price of...
A fixed asset purchased for $22,507 at the beginning of a project will be depreciated straight-line to zero over its 9-year tax life. At the end of this project, the asset can be sold for $8464. The...
Lewitas Ltd. earned revenues of $35 million during 2014 and ended the year with income of $8 million. During 2014, Lewitas Ltd. collected $33 million from customers and paid cash for all of its...
What is beacon marketing? What are digital wallets?
Find the relative error associated with the assumption that k' is invariant during the course of a pseudo-first-order reaction under the following conditions: Extent of Reaction, % Excess of Reagent...
Equation 30-19 can be rearranged to produce the Equation Where vmax 5 k2[E]0, the maximum velocity when [S] is large. (a) Suggest a way to use this equation in the construction of a calibration...
Copper (II) forms a 1:1 complex with the organic complexing agent R in acidic medium. The formation of the complex can be monitored by spectrophotometer at 480 nm. Use the following data collected...
On October 1, 2015, Surround Co. was identified as a potentially responsible party by the Environmental Protection Agency. Surround management along with its counsel have concluded that it is...
You have $63,000. You put 23% of your money in a stock with an expected return of 12%, $39,000 in a stock with an expected return of 13%, and the rest in a stock with an expected return of 21%. What...
The Information necessary for preparing the December 31, 2021 year-end adjusting entries for Vito's Pizza Parlor appears below. Vito's fiscal year-end is December 31. a. On July 1, 2021, purchased...

A lithium ion-selective electrode gave the potentials given next for the following standard solutions of LiCl and

Question:

Solution (4;) 0.100 M Potential vs. SCE, mV +1.0 0.050 M -30.0 0.010 M -60.0 0.001 M -138.0 Unknown 1 -48.5 Unknown 2 -75.3

Step by Step Answer:

Standard Solutions LiCl M 0100 0500 and 1000 Potential mV 50 85 and 110 Unknown Solutions Potential ...View the full answer

Fundamentals Of Analytical Chemistry

Students also viewed these Sciences questions