[高中] 請問蘋果酸PH值

看板Chemistry作者 (I WILL BE BACK ^^)時間10年前 (2014/03/12 09:55), 編輯推噓3(302)
留言5則, 2人參與, 最新討論串1/1
哈摟 因工作需要計算蘋果酸的PH值 上網查蘋果酸為2元酸 0.001%水溶液pH值为3.80 0.01%者pH值为2.80 1%者pH值为2.35 解離常数k1为4×10-4,k2为9×10-6 欲求PH5.8需要多少%的蘋果酸 求解 感謝 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 111.248.85.108

03/12 10:17, , 1F
理論跟實際還是有誤差,滴定較實在
03/12 10:17, 1F

03/12 12:25, , 2F
there are always some uncertainties affecting the
03/12 12:25, 2F

03/12 12:26, , 3F
precions of measurements, it's necessary to calculate
03/12 12:26, 3F

03/12 12:26, , 4F
the answer by theory
03/12 12:26, 4F

03/12 12:30, , 5F
sorry for mistyping "precision"
03/12 12:30, 5F
文章代碼(AID): #1J7xwbdI (Chemistry)