Question: Is Na2CO3 ( Sodium carbonate ) Soluble or Insoluble in water ? Answer: Na2CO3 ( Sodium carbonate ) is Soluble in water What is Soluble and Insoluble ? Solubility Solubility is the property of a solid, liquid, or gaseous chemical substance called solute to dissolve in a solid, liquid, or gaseous solvent. The solubility of a substance ...