[化學] 103中國醫內轉化學
17題 答案B
http://i.imgur.com/qnq80s6.jpg
42題 答案C
http://i.imgur.com/0jt6YqS.jpg
已經算出硫酸鈉有0.5莫爾,水有11.5莫爾
考慮到解離的話:
X na+=1 mole
X So4 2- =0.5 mole
可是:1+0.5+11.5=13
25*11.5/13=22左右,不是答案
麻煩板上高手解答了~
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※ 編輯: jtimberlake (39.8.77.9), 05/10/2017 18:03:07
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