Four solutes are added to a solvent. All solutes have the same mass and solubility. The surface areas of four solutes are 2 mm2, 4 mm2, 6 mm2, and 10 mm2. Which solute will dissolve the quickest?

2 mm2
4 mm2
6 mm2
10 mm2

1 answer

Solutes with the highest surface area dissolve the fastest if everything else is the same.