Question

Calculate the concentration of a solution if its transmittance is 20%, in addition, the molar absorptivity is 1110 M?¹ * Cm?¹ and cell length: 1 cm. a. 5.724.E-02 b. 1.324.E-04 c. 5.124.E-04 d. 7.124.E-04 e. 6.297.E-04 For the plot of absorbance versus wavelength for two compounds, which two wavelengths are most suited for mixture analysis? 1 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0.1 0 380 410 440 470 500 530 560 590 620 650 680 710 740 Absorbance Wavelength, nm a. 475 nm, 635 nm b. 485 nm, 689 nm c. 415 nm, 615 nm d. 445 nm, 635 nm e. 445 nm, 605 nm

          Calculate the concentration of a solution if its transmittance is 20%, in addition, the molar absorptivity is 1110 M?¹ * Cm?¹ and cell length: 1 cm.

a. 5.724.E-02
b. 1.324.E-04
c. 5.124.E-04
d. 7.124.E-04
e. 6.297.E-04

For the plot of absorbance versus wavelength for two compounds, which two wavelengths are most suited for mixture analysis?

1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
380 410 440 470 500 530 560 590 620 650 680 710 740
Absorbance
Wavelength, nm

a. 475 nm, 635 nm
b. 485 nm, 689 nm
c. 415 nm, 615 nm
d. 445 nm, 635 nm
e. 445 nm, 605 nm

Calculate the concentration of a solution if its transmittance is 20%, in addition, the molar absorptivity is 1110 M?¹ * Cm?¹ and cell length: 1 cm.

a. 5.724.E-02
b. 1.324.E-04
c. 5.124.E-04
d. 7.124.E-04
e. 6.297.E-04

For the plot of absorbance versus wavelength for two compounds, which two wavelengths are most suited for mixture analysis?

1
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
380 410 440 470 500 530 560 590 620 650 680 710 740
Absorbance
Wavelength, nm

a. 475 nm, 635 nm
b. 485 nm, 689 nm
c. 415 nm, 615 nm
d. 445 nm, 635 nm
e. 445 nm, 605 nm

Added by John W.

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