Change your cover photoUpload Change your cover photoUpload Anonym294731074 This user account status is Approved About About Questions Questions Comments Comments New question New question Woher weiß ich, ob ein Stoff als Base oder Säure fungiert? 2 years ago in: Chemistry 10 comments SSD super langsam? 3 years ago in: Hard disks & mass storage 9 comments (No Ratings Yet)Loading...