Water is a polar molecule, meaning it carries partial charges ( δ + or δ − ) on opposite sides of the molecule. For two formula units of NaCl , place the sodium ions and chloride ions where they would most likely appear based on the grouping of the water molecules in the areas provided. Note that red spheres represent O atoms and white spheres represent H atoms.

The sodium molecules (Na +) will side with the Oxygen molecules (O-), while the chlorine molecules (Cl-) will side with the hydrogen molecules (H +).

Explanation:

As you know, NaCl is a polar substance, since it can establish ionic bonds with a water molecule (H2O), allowing it to be completely dissolved by it.

As you may already know, the water molecule has an electronic gradient. This is because the oxygen molecule is very electronegative, pulling the two hydrogen molecules, fortiment. This causes the water molecule to create poles: a negative pole on the oxygen side and a positive pole on the hydrogen side.

When NaCl comes into contact with water, positive Na + molecules are attracted to the negative pole of the water molecule, while negative Cl- molecules are attracted to the positive pole of the water molecule.

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