The following experimental data was collected by a student: 0.0020 M Fe(NO3)3 mL Trial 123 4 Blank 5.00 5.00 5.00 5.00 5.00 0.0020 KSCNmL 2.00 3.00 4.00 5.00 0.00 Water mL 3.00 2.00 1.00 0.00 5.00 5. STANDARD (18.00 mL 0.200 M Fe(NO3)3 mL +2.00 mL 0.0020 KSCN mL) Use the data given above to calculate Kc for trial#1. (SHOW ALL STEPS!) ABS 0.251 0.344 0.428 0.559 0.000 ABS = 0.979

The following experimental data was collected by a student: 0.0020 M Fe(NO3)3 mL Trial 123 4 Blank 5.00 5.00 5.00 5.00 5.00 0.0020 KSCNmL 2.00 3.00 4.00 5.00 0.00 Water mL 3.00 2.00 1.00 0.00 5.00 5. STANDARD (18.00 mL 0.200 M Fe(NO3)3 mL +2.00 mL 0.0020 KSCN mL) Use the data given above to calculate Kc for trial#1. (SHOW ALL STEPS!) ABS 0.251 0.344 0.428 0.559 0.000 ABS = 0.979

Principles of Instrumental Analysis

7th Edition

ISBN:9781305577213

Author:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Publisher:Douglas A. Skoog, F. James Holler, Stanley R. Crouch

Chapter27: Gas Chromatography

Section: Chapter Questions

Problem 27.12QAP

See similar textbooks

Similar questions

Measurements of boiling temperatures of samples of a liquid (°C) are given below: 78.4 79.0 78.8 79.2 78.6 Calculate the meanCalculate the modeCalculate the standard deviation
Chemistry A stoppered flask in your laboratory drawer is stamped by the manufacturer with the notation “TC 25 250 mL”. Explain what this notation means.
A student performed the experiment described in this module, using 7.00 mL of a 1.8% H2O2 solution with a density of 1.01 g mL-1. The water temperature was 20 ° C, and the barometric pressure in the laboratory was 30.02 in. Hg. After the student immersed the yeast in the peroxide solution, she collected 45.1 mL of O2. (11) Calculate the percent error for the experiment.
4.Discussed the Purposed of the Golden rules in the practice of Forensic Chrmistry.
Qq.1. Subject :- Account
A volumetric calcium analysis on triplicate samples of the blood serum of a patient believed to be suffering from a hyperparathyroid condition produced the following data: mmol Ca/L = 3.15, 3.25, 3.26. What is the 95% confidence interval for the mean of the data, assuming no prior information about the precision of the analysis?
StatisticalAnalysis of Data. Provide what isasked. a.Mean values of ppm Ca and ppm Mg .b.Median values of ppm Ca and ppm Mg. c.Std. dev. of ppm Ca and ppm Mg.
A titrimetric method for the determination of calcium in limestone was tested with the analysis of a NIST limestone containing 30.15% CaO. The mean of the four analyzes is 30.26% CaO with a standard deviation of 0.085%. From the data accumulated from many analyzes, s→ϭ=0.094% CaO was found.a) Do the data indicate the presence of systematic error at the 95% confidence level?b) When a value for ϭ is unknown, do the data show a systematic error at the 95% confidence level?
A pipet is used to transfer 6.00 mLmL of a 3.75 MM stock solution in flask “S” to a 25.00-mL volumetric flask “A,” which is then diluted with DI H2OH2O to the calibration mark. The solution is thoroughly mixed. Next, 10.00 mLmL of the solution in volumetric flask “A” is transferred by pipet to a 50.00-mL volumetric flask “B” and then diluted with DI H2OH2O to the calibration mark. Calculate the molarity of the solution in volumetric flask “B.”
The pressure in a constant volume thermometer is 0.800 x 102 Pa at 400 K and 0.600 x 105 Pa at 300 K. What is the temperature in K when the pressure is 0.500 x 105 Pa?
Nagyung wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW: 122.55 g/mol) in water. He measured 10 grams of KClO3 and dissolved it in a calorimeter containing 250 g of water. The temperature drop was 3.5 K. What is qH2O? WHat is qrxn? WhaT IS THE change of dissolution of reaction? is the reaction exothermic or endothermic?
What weight of mercury bichloride should be taken as sample, assuming 100% purity, so that 0.5 g og HgS will be obtained in a gravimetric analysis? Gravimetric factor = 1.1669