Assertion: acetic acid | /r/HasProperty | written 3 cooh
Facets:
value: ch
type: OTHER
value: to indicate
type: PURPOSE
value: usually
type: DEGREE
Source sentences:
text: It has the chemical formula C 2 H 4 O 2 , though it is usually written CH 3 COOH to indicate that it is a carboxylic acid.