Solids dissolve faster in hot water because the particles in hot water move at a faster pace than the particles in cold water. Because they move at a faster pace, they collide with the solids, causing them to dissolve faster than in cold water.
does m&ms dissolve faster in water then in vinegar? M&M's are dissolved faster in water. Well I tested on all colors. And when i did the color blue, it took a little bit longer for water to dissolve the color then vinegar.
Heating will usually make a substance dissolve faster. Stirring makes things dissolve faster. Grind the substance into smaller 'bits'. Smaller particles have more surface are exposed to the water (solvent) so that it can dissolve faster.