Ba(OH)2的物质的量为n1=2.02*440/1000=0.8888, HClO4的物质的量n2=0.983*580/1000=0.5701,故HClO4 过量,设产生x 毫升的摩尔浓度为1.84 Ba(ClO4)2,即产生1.84/1000*x =mol的Ba(ClO4)2
Ba(OH)2(aq) + 2HClO4(aq) → Ba(ClO4)2(aq) + 2H2O(l)
12
0.88880.00184x

解得
x=966.0869≈966.09 毫升
解答完毕