The English translation from the Latin is:.
" God grant me the serenity to accept the things I cannot change, the courage to change the things I can, and the wisdom to know t…he difference .".
(The text is the well-known and beloved Serenity Prayer of the various Twelve-Steps Programs.) (MORE)
Very simple , a glass rod soaked in ammonia solution bring to the mouth of both the bottles mutaric acid (HCl) gives white fumes while vinegar does not.