Which Dissolves Better in Water, Salt or Baking Soda?

Russell Sadur/Dorling Kindersley/Getty Images

Table salt is more soluble in water than baking soda because of the difference in polarity, bond types and compound size. Salt, or sodium chloride, is bound by ionic bonds and is considered extremely polar. Water, or H2O, is also very polar. According to Kent Chemistry, "Like dissolves like."

ADVERTISEMENT