The Transmittance of a Sample Is the Ratio of the Intensity

question 8

Multiple Choice

The transmittance of a sample is the ratio of the intensity of radiation transmitted to the intensity of the incident radiation. The molar absorption coefficient of the [Cu(NH₃) ₄]²⁺ complex ion in aqueous solution is 50 dm³ mol^-1 cm^-1 at a wavelength of 590 nm. Determine the transmittance when light of this wavelength passes through an aqueous solution of the ion of molar concentration 0.100 mol dm^-3 and path length 1.00 cm.

• A) 10^-5
• B) 10^-2
• C) 10^-6
• D) 10^-4

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