Easiest for me if thinking only in fractions and percentages, and realizing that the dry mass is a constant. The obvious example is 99g water, 1g dry mass. Kn

Easiest for me if thinking only in fractions and percentages, and realizing that the dry mass is a constant. The obvious example is 99g water, 1g dry mass. Knowing that 1g cannot change, what do we need water to be to equal 98%? 49g.