要把標準溶液由25.0 cm3稀釋至250.0 cm3,需要使用下列哪些儀器?
(1) 25.0 cm3移液管
(2) 250.0 cm3容量瓶
(3) 250.0 cm3錐形瓶
Ch.19 涉及酸和鹼的容量分析
Quiz
•
Chemistry
•
10th Grade
•
Hard
Lai Cheung
Used 5+ times
FREE Resource
6 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
要把標準溶液由25.0 cm3稀釋至250.0 cm3,需要使用下列哪些儀器?
(1) 25.0 cm3移液管
(2) 250.0 cm3容量瓶
(3) 250.0 cm3錐形瓶
A. 只有(1)和(2)
B. 只有(1)和(3)
C. 只有(2)和(3)
D. (1)、(2)和(3)
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把10.0 cm3的0.80 M碳酸鈉溶液稀釋至250.0 cm3,所得溶液的濃度是多少?
0.016M
0.032M
0.040M
0.064M
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪種儀器最適合用於移送28.70 cm3的溶液?
A. 量筒
B. 滴定管
C. 移液管
D. 錐形瓶
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
把下列哪種溶液加入20.0 cm3的0.5 M硫酸時,會得出pH值為7的溶液?
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
0.14M
0.20M
0.28M
0.43M
6.
MULTIPLE CHOICE QUESTION
3 mins • 3 pts
1
3
9
10
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