幫忙統計慈濟申訴題目 - 考試
By Michael
at 2015-06-15T00:41
at 2015-06-15T00:41
Table of Contents
※ 引述《goodkey (goodkey)》之銘言:
上一篇主要討論的都是生物的部分,所以特別開了一篇化學的申訴討論
根據以下推文
我去查了原文書,發現19題有申訴的機會,也把節錄的原文書上傳到Dropbox
原文書資料來源:
Chemistry (Hardcover) by Steven S. Zumdahl, Susan A. Zumdahl 9 edition, 2014
page: 773 Figure 16.2
載點:
https://www.dropbox.com/s/xk3ksvandeqpl1z/Zumdahl%20Chemistry%209th%20c2014%20txtbk%20773.pdf?dl=0
我認為:
此題可以先加入NaCl,將Ag與Ba溶出後,
再加入Na2S溶出Ni,最後以Na2SO4 沉澱出BaSO4。
: 化學: 29、37、43(答案皆錯),37(+A) 19(+D)
29、37這兩題我也會申訴
申訴到6/15中午12點,希望大家眾志成城,把這最後一哩路走完
如果還有其他的釋疑,再麻煩各位同學們補充討論,謝謝
--
上一篇主要討論的都是生物的部分,所以特別開了一篇化學的申訴討論
根據以下推文
推 fever00712: 關於慈濟後中化學第19題,用NaCl Na2SO4 Na2S分離Ba2+06/14 21:04
→ fever00712: Ag+ Ni2+,其使用順序應該是NaCl(>AgCl) Na2SO4(>BaSO06/14 21:04
→ fever00712: 4) Na2S(>Ni2S) 不是嗎?06/14 21:04
→ fever00712: 若先用NaSO4,會先產生Ag2SO4 和 BaSO4,雖然Ag2SO4中06/14 21:04
→ fever00712: 度可溶,但NaCl先用的話,便不會有這問題了,不是嗎?06/14 21:04
我去查了原文書,發現19題有申訴的機會,也把節錄的原文書上傳到Dropbox
原文書資料來源:
Chemistry (Hardcover) by Steven S. Zumdahl, Susan A. Zumdahl 9 edition, 2014
page: 773 Figure 16.2
載點:
https://www.dropbox.com/s/xk3ksvandeqpl1z/Zumdahl%20Chemistry%209th%20c2014%20txtbk%20773.pdf?dl=0
我認為:
此題可以先加入NaCl,將Ag與Ba溶出後,
再加入Na2S溶出Ni,最後以Na2SO4 沉澱出BaSO4。
: 化學: 29、37、43(答案皆錯),37(+A) 19(+D)
29、37這兩題我也會申訴
申訴到6/15中午12點,希望大家眾志成城,把這最後一哩路走完
如果還有其他的釋疑,再麻煩各位同學們補充討論,謝謝
--
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