What is the molarity of a solution in which 0.83 moles of NaCl are dissolved in enough water to make 185.9 mL of solution?

The correct answer is b) false

It is a mixture. simply put, a compound must be pure, that is, of only one chemical structure and composition. a mixture is made of different chemical substances (i.e. elements, molecules, compounds) that are not chemically bonded to each other, but instead physically grouped together, as in the case of gasoline (a homogeneous solution).

It is a ok  i know i have a brain functioning well.