Best Answer

Because water is also a polar compound. It is a great solvent, but substances that water dissolves must be either polar or charged ionic compounds, made from negatively and positively charged atoms. Polar water attracts polar molecules and ions and pushes out non-polar and non-charged substances.

User Avatar

Wiki User

12y ago
This answer is:
User Avatar

Add your answer:

Earn +20 pts
Q: Why do ionic crystals dissolve in water?
Write your answer...
Still have questions?
magnify glass