SOLUTION: Initial free moles of SO3= =2/3 moles
Moles of water that combined with free moles of SO3=9/18=1/2 moles
Moles of free SO3 left 2/3-1/2=1/6 moles
Volume of free SO3 at STP=1/6X22.4=3.73 LSalicylic acid is a stronger acid than benzoic acid. It is due to the fact that in salicylate ion (conjugate base of salicylic acid) intram...
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