If an automobile slows from 26 m/s to 18 m/s in a period of 4.0 s, what was the average acceleration? a. %005.7 m/s2 b. 4.0 m/s2 c. 7.0 m/s2 d. %002.0 m/s2

Molarity is moles of solute over liters of solution. idk if that is what you are talking about, but you can convert moles of solute to grams of solute using dimensional analyzes by using molar mass found on the periodic table.

A. is your answer.  hope this