Here's where things get fun. Just like the number of reps, 3-6 sets is the best range of volume for this training method. If you like your workouts paced like clockwork, take 30-60 seconds rest between each exercise.
The natural attraction between positive and negative keeps the ions surrounded by water molecules and therefore dissolved in solution. Many biochemicals are either polar molecules or charged ions (or both) so water makes an excellent solvent for them.
Confidence votes 159. The solvent is the substance that does the dissolving, and is present in the solution in greater quantities. Water is a good example. The solute is the substance that gets dissolved, and is present in the solution in smaller quantities. Salt and sugar are prime examples.