The spectrophotometer measures what property of a solution? Group of answer choices

Physics

1 answer:

Yanka [14]3 years ago

5 0

Answer:

B. The ability of the solute molecules only to absorb the energy of light (photons) at a specific wavelength.

Explanation:

Spectrophotometry is the quantitative measurement of the reflection or transmission properties of a material as a function of wavelength. In case of a solution, both, solute and solvent would absorb the energy on an specific lenghtwave of light if they have a absortion coefficient diffrent of 0. The solvent could absorb energy of light, but it´s not typical, for example water does not absorb light in any lenghtwave. Therefore, for practical uses, we consider that only the solute absorbes, and it case the solvent does, that should be taken into account for the solute concentration calculation.

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