N 2 Atomic emission spectroscopy and the method of standard addition are used to determine the Na+ concentration and itsuncertainty in an unknown sample. Increasing amounts of a 1.75 µg/mL standard Na+ solution are added to a series ofvolumetric flasks containing 15.00 mL of the unknown solution. The volumetric flasks are then diluted to a final volume of200.0 mL. Atomic emission spectroscopy is then used to measure the emission intensity of each solution.Unknown volumeStandard volume(mL)15.0015.0015.0015.0015.00concentration:+|+Based on the data in the table, determine the original concentration of Na+ and its uncertainty in the unknown sample. Reportthe uncertainty with three significant figures.1.30.098Incorrect0.056Incorrect(mL)0.000.182Incorrect5.0010.0015.0020.00Final volume(mL)200.0200.0200.0200.0200.0Please help solve for uncertainty. Show workto arrive at final answer.incorrect answers shown below:µg/mLEmissionintensity343.0486.0634.0799.0940.0±0.307Incorrectµg/mLµg/mLµg/mLµg/mL

Your calculation for the concentration (Equals to X-intercept) value is correct which is 1.31 μg/mL…

Atomic emission spectroscopy and the method of standard addition are used to determine the Na+ concentration and its uncertainty in an unknown sample. Increasing amounts of a 1.75 µg/mL standard Na+ solution are added to a series of volumetric flasks containing 15.00 mL of the unknown solution. The volumetric flasks are then diluted to a final volume of 200.0 mL. Atomic emission spectroscopy is then used to measure the emission intensity of each solution. Unknown volume Standard volume Final volume (mL) 200.0 200.0 200.0 200.0 200.0 (mL) 15.00 15.00 15.00 15.00 15.00 concentration: Based on the data in the table, determine the original concentration of Na+ and its uncertainty in the unknown sample. Report the uncertainty with three significant figures. + +1 1.3 0.098 Incorrect 0.056 (mL) 0.00 5.00 10.00 15.00 20.00 Please help solve for uncertainty. Show work to arrive at final answer. incorrect answers shown below: Incorrect 0.182 Emission intensity 343.0 486.0 634.0 799.0 940.0 µg/mL 0.307 Incorrect µg/mL µg/mL μg/mL µg/mL

Atomic emission spectroscopy and the method of standard addition are used to determine the Na+ concentration and its uncertainty in an unknown sample. Increasing amounts of a 1.75 µg/mL standard Na+ solution are added to a series of volumetric flasks containing 15.00 mL of the unknown solution. The volumetric flasks are then diluted to a final volume of 200.0 mL. Atomic emission spectroscopy is then used to measure the emission intensity of each solution. Unknown volume Standard volume Final volume (mL) 200.0 200.0 200.0 200.0 200.0 (mL) 15.00 15.00 15.00 15.00 15.00 concentration: Based on the data in the table, determine the original concentration of Na+ and its uncertainty in the unknown sample. Report the uncertainty with three significant figures. + +1 1.3 0.098 Incorrect 0.056 (mL) 0.00 5.00 10.00 15.00 20.00 Please help solve for uncertainty. Show work to arrive at final answer. incorrect answers shown below: Incorrect 0.182 Emission intensity 343.0 486.0 634.0 799.0 940.0 µg/mL 0.307 Incorrect µg/mL µg/mL μg/mL µg/mL

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...

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