计算的ph值为1的盐酸、硫酸、醋酸(醋酸的电离度约1%)三种溶液中氢离子浓度?pH值为多少?
人气:461 ℃ 时间:2019-08-20 09:15:31
解答
氢离子浓度都为0.1mol/L
ph你说了是1呀那物质的量浓度为多少?弱酸物质量浓度要根据Ka算醋酸:PKa=4.76,物质量浓度:c=c(H+)²/Ka=568mol/L按电离度算:0.1/1%=10mol/L(差距好大。。不过这里按电离度算吧)硫酸:0.05mol/L盐酸:0.1mol/L
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