課程名稱︰分析化學
課程性質︰化學系必修
課程教師︰陳俊顯
開課學院：理學院
開課系所︰化學系
考試日期（年月日）︰2012-11-26
考試時限（分鐘）：110 mins
是否需發放獎勵金：是
（如未明確表示，則不予發放）
試題 :
滿分130分 成績乘以30％為期末總成績
一共四大題：第一頁三大題，之後是選擇題
助教會在收卷前五分鐘提醒各位。
有問題請舉手招呼助教（不要念題目出來），由助教趨近回答，若有需要，助教會向同學
們宣布。
請遵循下列規定：
＊選擇題答案：直接作答在題目卷上。其餘的則作答在答案卷上
＊請務必在題目卷上與答案卷上簽寫姓名．學號，試卷必須繳回
＊為了避免監考與應試同學之困擾，絕對禁止向同學詢問．招呼．交談．互相傳遞文具
或其他物品等等
＊作答不必依序但必須清楚標示題號，如果沒有標示題號，則不予計分，答非所問情形
，將斟酌予以扣分
＊計算題：需要將式子列清楚，不必計算，進行數字上的運算與否，不納入計分考量
I.(24%) Definition. Define the term and respond to the questions.
(5%)(a)(i 3%) normal error curve;
(ii2%) What is the range in the x-axis for the curve?
(7%)(b)(i 3%) null hypothesis
(ii4%) We talked about Box4-1, the correlation between breast cancer
(乳癌) and menopausal (更年期) oestrogen-progestion hormone
therapy (雌激素-黃體激素荷爾蒙療法). What is the differnce in
the use of null hypothesis between FDA(美國食品藥物管理局)
and Dr.Malcolm Pike, and epidemiologist?
(6%)(c)(i 3%) internal standard;
(ii3%) Give a plausible reason why a calibration curve can not be
used and, therefore, the method of internal standard has to
be applied to find out the concentration of the analyte.
(6%)(d)(i 3%) activity coefficient
(ii3%) Why do activity coefficient not appear in the charge and mass
balance equations?
II.(10%) Iodimetry/Iodometry. Given hte following reduction potentials
I2(s) + 2e- ←→ 2I- Eﾟ=0.535V
I2(aq)+ 2e- ←→ 2I- Eﾟ=0.620V
I3- + 2e- ←→ 3I- Eﾟ=0.535V
(6%)(a) Calculate the equilibrium constant for the reaction
I2(aq) +I-←→I3-.
(4%)(b)Why is iodine almost always used in a solution containing I-?
III.(15%) Solving solubility by the systematic method.
Find the solubility of Mg(OH)2(s) in a saturated solution.
Consider the following reactions.
Mg(OH)2(s) ←→ Mg2+ + 2OH- Ksp =7.1*10^-12
Mg2+ + OH- ←→ MgOH+ K1 =3.8*1^2
H20 ←→ H+ + OH- Kw =1.0*10^-14
Note:(1) Do this question by the 9-step treatment.
You need to itemize the 9 steps in your answer.
(2) You need to use "successive approximation" to solve
the solubility.
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◆ From: 140.112.243.16
※ 編輯: taasnsg 來自: 140.112.243.16 (11/28 22:54)