What do we need to know about a molecule in order to carry out molarity calculations

To calculate the molarity of a solution, you divide the moles of solute by the volume of the solution expressed in liters.

Explanation:

the ozone layer acts as a filter for the shorter wavelength and highly hazardous ultraviolet radiation (uvr) from the sun, protecting life on earth from its potentially harmful effects. when the sky is clear, there is an inverse relationship between stratospheric ozone and solar uvr measured at the earth's surface.

answer; talc and gypsum;