The chemical formula you provided, CH3CH2CH2CH2CH2COONA, likely represents the sodium salt of hexanoic acid. Here's the breakdown:

* CH3CH2CH2CH2CH2COO- is the hexanoate anion, which is the conjugate base of hexanoic acid.

* Na+ is the sodium cation.

So, CH3CH2CH2CH2CH2COONA is the sodium hexanoate salt.

Here's a more detailed explanation:

* Hexanoic acid is a straight-chain saturated fatty acid with six carbon atoms. It has the formula CH3(CH2)4COOH.

* When hexanoic acid loses a proton (H+), it forms the hexanoate anion (CH3(CH2)4COO-).

* The sodium cation (Na+) combines with the hexanoate anion to form the sodium hexanoate salt (CH3CH2CH2CH2CH2COONA).

Sodium hexanoate is a white, crystalline solid that is soluble in water. It is used in a variety of applications, including as a food additive, a plasticizer, and a surfactant.