Question 1
Oil does not dissolve in water because ________.
◦ oil is nonpolar
◦ water is saturated
◦ oil is polar
◦ water is nonpolar
◦ oil is hydrated
Question 2
When KCl dissolves in water ________.
◦ the K
+ ions are attracted to the partial negative charge on the oxygen atom of the water molecule
◦ the K
+ ions are attracted to the partial positive charge on the hydrogen atoms of the water molecule
◦ the Cl
- ions are attracted to the partial negative charge on the oxygen atom of the water molecule
◦ the Cl
- ions are attracted to dissolved K
+ ions
◦ the K
+ ions are attracted to Cl
- ions on the KCl crystal