Rịba ama amaokwu a dị n'okpuru ma zaa ajụjụ ahụ mgbe e mesịrị n'otu asụsụ ahụ dị ka amaokwu ahụ:  N'ụzọ: Aspirin, bụ acetyl derivative nke salicylic acid, bụ ọcha, crystalline, weakly acidic substance, nke nwere ebe na-agbaze nke 136 °C (277 °F), na ebe esi mmiri nke 140 °C (284 °F). Ya acid dissociation mgbe nile (pKa) bụ 3.5 na 25 °C (77 °F).  Ajụjụ: Gịnị bụ acid dissociation na Celsius?
25 °C