auDUIUance UI U.I JU ai 4JJ IIII III 1. UU CIII cuvclic.Calculate the molar absorptivity of the pigment at 453 nm?Q5) A student is tasked to determine the number of molesof H2SO4 (aq) in a 200 ml of an unknown solution. Thestudent prepares a series of solutions with knownconcentrations of H2SO4 (ag) and measures the absorbanceof each at an appropriate wavelength. These data are usedto construct the calibration plot shown below.1.000.80-0.60 -0.40-0.20-0.00-3 x 10-46 x 10-4Concentration (mol/L)If the absorbance of the unknown solution is 0.70, howmany moles of H2SO4 (aq) does the 200 ml sample contain?Absorbance

Solution : Concentration is the amount of solute present in a liter of solution. The solution…

Q5) A student is tasked to determine the number of moles of H2SO4 (aq) in a 200 ml of an unknown solution. The student prepares a series of solutions with known concentrations of H2SO4 (aq) and measures the absorbance of each at an appropriate wavelength. These data are used to construct the calibration plot shown below. 1.00 0.80- 0.60- 0.40- 0.20- 0.00- 3 x 10-4 6 x 10-4 Concentration (mol/L) If the absorbance of the unknown solution is 0.70, how many moles of H2SO4 (aq) does the 200 ml sample contain? Absorbance

Q5) A student is tasked to determine the number of moles of H2SO4 (aq) in a 200 ml of an unknown solution. The student prepares a series of solutions with known concentrations of H2SO4 (aq) and measures the absorbance of each at an appropriate wavelength. These data are used to construct the calibration plot shown below. 1.00 0.80- 0.60- 0.40- 0.20- 0.00- 3 x 10-4 6 x 10-4 Concentration (mol/L) If the absorbance of the unknown solution is 0.70, how many moles of H2SO4 (aq) does the 200 ml sample contain? Absorbance

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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