Respuesta :
The brackets around a compound means the concentration of that compound within a solution, or its molarity. Therefore, the answer is moles of NaCl per liter of solution.
The symbol, [NaCl], means the molarity of the NaCl which is: C. moles of NaCl per liter of solution.
What is Molarity?
The term molarity can be defined as the concentration of a substance in a solution which is the number of moles of a solute per liters of the solution.
Brackets around a compound denotes the molarity.
Thus, [NaCl] means the molarity of the NaCl which is: C. moles of NaCl per liter of solution.
Learn more about molarity on:
https://brainly.com/question/14469428
#SPJ6