題庫堂
檢索
題庫堂
首頁
數學
英文學習
政治學
統計學
經濟學
藥理學
中醫藥物學
財政學
法學知識
公共行政
警察學
BI規劃師
財務管理
公共衛生學
工程經濟學
電力電子學
當前位置:
首頁
34 0.1 M CH3COOH 水溶液其 pH 約為 3.0,同體積的 0.1 M CH3COOH 與 0.1 M CH3COONa 之混合水溶 液其 pH 約為 5.0。同體積的 0.1 M CH
問題詳情
34 0.1 M CH3COOH 水溶液其 pH 約為 3.0,同體積的 0.1 M CH3COOH 與 0.1 M CH3COONa 之混合水溶 液其 pH 約為 5.0。同體積的 0.1 M CH3COOH 與 0.1 M HCl 之混合水溶液其 pH 約為何?
(A) 1.0
(B) 2.0
(C) 3.0
(D) 4.0
參考答案
答案:A
統計:A:5,B:5,C:4,D:3,E:0
難度:計算中
上一篇 :
33 硬水中含有等離子,可通過離子交換管柱將其代換成鈉離子,若 2,000 升的硬水中含有0.01M 的與 0.003 M 的,則需要用多少莫耳的鈉離子進行交換? (A) 13 (B) 26 (C)
下一篇 :
35 下列何種方式可製備緩衝溶液?①等體積之 0.5 M NaOH 與 1 M HCl ②等體積之 0.5 M NaOH 與1 M CH3COOH ③等體積之 1 M CH3COONa 與 1 M C
資訊推薦
36 下列氧化物何者屬於共價化合物? (A) ZnO (B) K2O (C) TiO2 (D) OF2
37 下列何者與硫酸銅(CuSO4)溶液反應後,可產生銅金屬? (A)鎂帶 (B)氯化鈉 (C)金箔 (D)硼砂
38 下列原子或離子半徑大小的排序何者正確? (A) (B) (C) N>C>B (D) O>S>Se
39 PVC 塑膠常用於製造雨衣、水管、電線、電纜的覆皮等,其材質可塑性極佳,其中文名稱為下列何者? (A)聚丙烯 (B)聚苯乙烯 (C)聚氯乙烯 (D)聚酯乙烯
40 有關烷類化合物,下列敘述何者錯誤? (A)直鏈烷類的沸點隨碳數增加而增加 (B)天然氣主要的成分為乙烷 (C)異辛烷(2,2,4-三甲基戊烷)之辛烷值為 100 (D)烷類可與氯氣進行反應
2 Local job growth has been solid in the past several years, despite fears of a(n)_______. (
3 In a highly industrialized and commercialized society, people tend to become_______empty, thoug
4 Right at the gate of the art museum stand two large figures_______out of rock. (A) carved
5 The explosion was caused by a gas_______ from the water heater. (A) beak
6 The company has also_______ an application software that enables clients to design their own ho
2 The more public transportation is used, the smaller a city’s carbon footprint is. This is becaus
7 The legislator said he was resigning but refused to_______ on his reasons to do so. (A) co
8 The agent gained entry into the government building _______ a bribe to the guard. (A) by m
3 Vehicle cybersecurity is essential because autonomous cars must____with one another to share
9 An airplane pilot was removed from a fully boarded plane and arrested on suspicion of being ___
4 Placed strategically throughout the house, certain good luck plants are believed to bring p
10 Jason used to work for a telephone company as an engineer, but he is _______and enjoying a care
11 To _______ on the big audiences, studios schedule their big-budget films during the summer mon
5 According to WHO, over seven hundred million people lack ____to clean water, meaning they a
12 The politician is_______as a male chauvinist because he made offensive remarks on women. (
6 Taipei 101’s ability to____the recent 7.4 magnitude earthquake lies in its use of reinforced
7 Multiple days of heavy rains had flooded this city, so a team of rescuers was dispatched to____
13 The power of typhoon_______ gradually after it hit the Central Mountains. (A) attacked
2 Those who facilitate or aid foreigners to engage in activities in Taiwan that are inconsistent w
3 Before arriving in Taiwan, please_______an online immigration arrival card on the website of the