admin | Wed, 09/06/2017 - 11:48          
      I accidentally erased this annotation, but see you have made others.
the ion is carboxylate, so the acid is carboxylic. I had made a mistake, and wrote the acid instead of the ion, and fixed it. but when I fixed it, I destroyed your comment link.
Good catch!
Item URL: 
https://hypothes.is/a/O9F8NpMjEeeGqjd0klz5OQ