Boxes X, Y, and Z all have the same volume and contain the same solute. The numbers of solute particles present are:
• Box X: 6 particles
• Box Y: 4 particles
• Box Z: 9 particles
Which of the following correctly ranks the boxes from most concentrated to least concentrated?
a) X>Z>Y
b) Z>X>Y
c) Y>X>Z
d) Z>Y>X