The fact that a sodium atom readily loses an electron in a chemical reaction indicates that sodium has a high ability to form solutions. Here's why:

* Ionic Bonding: Sodium's tendency to lose an electron leads to the formation of a positively charged sodium ion (Na+). This ion readily forms ionic bonds with negatively charged ions, like chloride (Cl-) to form table salt (NaCl).

* Solubility: Ionic compounds like NaCl are highly soluble in polar solvents like water. This is because the water molecules, with their partial positive and negative charges, surround and interact with the ions, pulling them apart and allowing them to dissolve.

In summary: Sodium's tendency to form positive ions makes it highly reactive and readily forms ionic compounds. These compounds are often soluble in polar solvents, leading to the formation of solutions.