The spectrophotometer measures what property of a solution? group of answer choices
a. the ability of the solute and solvent molecules (aka a soloution) to absorb the energy of light (photons) at a specific wavelength of light (spectrum).
b. the ability of the solute molecules only to absorb the energy of light (photons) at a specific wavelength.
c. the ability of the solvent molecules only to absorb the energy of light (photons) at a specific wavelength because there are many more solvent than solute molecules.
d. the ability of the solute and solvent molecules to absorb the energy of light (photons) at a all wavelengths of the light spectrum at once.
e. then the spectrophotometer sorts it out.

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.

note: the given question is incomplete.

complete question is given below.

which is an example of kinetic energy?

a. the energy stored in ethanol  

b. a hockey puck sliding across the ice  

c. a compressed spring  

d. a ball sitting at the top of a ramp

solution: the kinetic energy is the energy posses by the virtue of the motion of the object.

in the given options, a, c and d are the example of potential energy because it is the energy posses by the virtue of the rest of the object. but option b has the kinetic energy as the object is in motion.

hence, a hockey puck sliding across the ice   is the apex example of kinetic energy.

so, the option (b) a hockey puck sliding across the ice   is the correct option.