What's the plural form of haloacetic acid? Here's the word you're looking for.
Answer
The noun haloacetic acid can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be haloacetic acid.
However, in more specific contexts, the plural form can also be haloacetic acids e.g. in reference to various types of haloacetic acids
or a collection of haloacetic acids.