A solution is made by dissolving 170.1 g of glucose (C6H12O6) in enough water to make a liter of solution. The density of the solution is 1.062 g/mL. Express the concentration in (a) molality, (b) percent by mass, and (c) parts per million.

A. (a) 1.0 mol/kg, (b) 16.8%, (c) 170.1 ppm
B. (a) 1.5 mol/kg, (b) 20.3%, (c) 185.6 ppm
C. (a) 2.0 mol/kg, (b) 25.4%, (c) 212.3 ppm
D. (a) 2.5 mol/kg, (b) 30.1%, (c) 240.2 ppm