At 580 nm, the wavelength of its maximum absorption, the complex FeSCN²⁺ has a molar absorptivity of 7.00 X 10³ L cm^-1 mol^-1. Calculate:

(a) the absorbance of a 3.75 X 10^-5 M solution of the complex at 580 nm in a 1.00-cm cell.

(b) the absorbance of a solution in which the concentration of the complex is twice that in (a).

(c) the transmittance of the solutions described in (a) and (b).

(d) the absorbance of a solution that has half the transmittance of that described in (a).

Question

At 580 nm, the wavelength of its maximum absorption, the complex FeSCN²⁺ has a molar absorptivity of 7.00 X 10³ L cm^-1 mol^-1. Calculate:

(a) the absorbance of a 3.75 X 10^-5 M solution of the complex at 580 nm in a 1.00-cm cell.

(b) the absorbance of a solution in which the concentration of the complex is twice that in (a).

(c) the transmittance of the solutions described in (a) and (b).

(d) the absorbance of a solution that has half the transmittance of that described in (a).

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