U fiirso qoraalka hoose ka dibna ka jawaab su'aasha kadib isla luqadda qoraalka:  Gelitaanka: Isku-darka aspirinka waxaa loo kala saaraa fal-celinta esterification. Salicylic acid waxaa lagu daaweeyaa acetic anhydride, oo ah nooc acid ah, taasoo keenta falcelin kiimiko ah oo u rogaya kooxda hydroxyl ee salicylic acid koox ester ah (R-OH → R-OCOCH3). Qaabkani wuxuu soo saaraa aspirin iyo acetic acid, kaas oo loo arko inuu yahay wax soo saarka falcelintan. Qaddar yar oo sulfuric acid ah (iyo mararka qaarkood phosphoric acid) ayaa had iyo jeer loo isticmaalaa sidii kiciye. Qaabkan waxaa badanaa loo isticmaalaa shaybaarrada waxbarashada ee jaamacadaha hoose.  Su'aal: Maxaa loo isticmaalaa sulfuric acid?
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