Potassium standards gave the following emission intensities at 404.3 nm. Emission from the unknown was 417. Find

Question:

Potassium standards gave the following emission intensities at 404.3 nm. Emission from the unknown was 417. Find [K+] and its uncertainty in the unknown.

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

Step by Step Answer:

Related Book For book-img-for-question

Quantitative Chemical Analysis

ISBN: 978-1429218153

8th edition

Authors: Daniel C. Harris

See More Books

Question Posted: Apr 19, 2016 10:06 AM

See More Questions

Consider a 5-mm-square, diffuse surface ?Ao having a total emissive power of Eo = 4000 W/m2. The radiation field due to emission into the hemispherical space above the surface is diffuse, thereby...
Standard addition graph. Tooth enamel consists mainly of the mineral calcium hydroxyapatite, Ca10(PO4)6(OH)2. Trace elements in teeth of archeological specimens provide anthropologists with clues...
Here is a student procedure to measure nicotine in urine. A 1.00-mL sample of biological fluid was placed in a 12-mL vial containing 0.7 g Na2CO3 powder. After 5.00 g of the internal standard...
What steps have been taken in the EU to provide lighter accounting regulation for micro-entities?
The chart of accounts of LR Company includes the following selected accounts. 112 Accounts Receivable ......401 Sales Revenue 120 Inventory ...........412 Sales Returns and Allowances 126 Supplies...
Who bears the risk of loss when a sales or lease contract is breached?
Describir cmo se establece el nivel de precio aproximado inicial, utilizando las estrategias orientadas a la demanda, a los costos, a la utilidad y a la competencia.
Conan Doyle & Associates (CD& A), CPAs, served as the auditors for Lestrad Corporation and Watson Corporation, publicly held companies traded on NASDAQ. Watson recently acquired Lestrad Corporation...
One purpose of closing entries is to zero out the Retained Earnings account. A. True B. False
On January 1, 20X1, Wade Crimbring, Inc., a dealer in used manufacturing equipment, sold a CNC milling machine to Fletcher Bros., a new business that plans to fabricate utility trailers. To conserve...
A solution was prepared by mixing 10.00 mL of unknown (X) with 5.00 mL of standard (S) containing 8.24 g S/mL and diluting the mixture to 50.0 mL. The measured signal quotient was (signal due to...
Tin is leached (dissolved) into canned foods from the tin-plated steel can.33 For analysis by inductively coupled plasma-atomic emission, food is digested by microwave heating in a Teflon bomb...
An acticle in Biometrics [Integrative Analysis of Transcriptomic and Proteomic Data of Desulfovibrio Vulgaris: A Nonlinear Model to Predict Abundance of Undetected Proteins (2009)] reported that...
Mail - Jame Mail - Jame x a Amazon.co x a Amazon.co. X https://gpt x _ Calendar - - C * gptc.blackboard.com/webapps/blackboard/content/contentWrapper.jsp?content_id=_1846554 GEORGIA PIEDMONT...
Prepare a partnership return and the appropriate K-1s for W & M Partnership. William Winston (SSN: 226-00-4265) lives at 53 Mantis Road, Your City, Your State - Your Zip. He operates Lovely Lady...
A new store is opening in Rock Spring, with 175,000 available square feet. Each department must have at least 17,000 square feet and no department can have more than 24% of the total retail floor...
Following is a partially completed balance sheet for Epsico Incorporated at December 31, 2022, together with comparative data for the year ended December 31, 2021. From the statement of cash flows...
Stockholders of Sarasota Company, Riverbed Company, and Pronghorn Company are considering alternative arrangements for a business combination. Balance sheets and the fair values of each company's...
What is the difference between a floor plan and an elevation?
1. Below is depicted a graph G constructed by joining two opposite vertices of C12. Some authors call this a "theta graph" because it resembles the Greek letter 0. a. What is the total degree of this...
One glass-membrane sodium ion-selective electrode has a selectivity coefficient . When this electrode was immersed in 1.00 mM NaCl at pH 8.00, a potential of -38 mV (versus S.C.E.) was recorded. (a)...
An ammonia gas-sensing electrode gave the following calibration points when all solutions contained 1 M NaOH. A dry food sample weighing 312.4 mg was digested by the Kjeldahl procedure (Section 10-8)...
H 2 S from cigarette smoke was collected by bubbling smoke through aqueous NaOH and measured with a sulfide ion-selective electrode. Standard additions of volume V S containing Na2S at concentration...
nformation pertaining to Noskey Corporation s sales revenue follows: November 2 0 2 1 ( Actual ) December 2 0 2 1 ( Budgeted ) January 2 0 2 2 ( Budgeted ) Cash sales $ 1 0 5 , 0 0 0 $ 1 1 5 , 0 0 0...
The management team of Netflix maintains a stable dividend using the Lintner model: Dt+1 = Dt + EPS Target Payout Where Dt (Dt+1) = dividend in the current period t (the next period t + 1) EPSt =...
#1 #2 hapter 50 10 D Werences lav Help Required information [The following information applies to the questions displayed below) Archer Company is a wholesaler of custom-built air-conditioning units...

Potassium standards gave the following emission intensities at 404.3 nm. Emission from the unknown was 417. Find

Question:

Sample (ug K/m 05.00 10.00 20.00 30.00 Relative emission: 0 124 243 486 712

Step by Step Answer:

Cells B20 and B21 give us unknown 174 03 jxgmL for an emission int...View the full answer

Quantitative Chemical Analysis

Students also viewed these Chemical Engineering questions