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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)
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
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
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
0.14M
0.20M
0.28M
0.43M
1
3
9
10
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10 questions
KUIS HAKIKAT, PERAN KIMIA, METODE ILMIAH
Worksheet
•
10th Grade
11 questions
ExamendeQuimica
Remidi PTS Kimia
Revision sebelum tido- Bab 2- f4 (part 1)
10th - 11th Grade
Estequiometria
10th - 12th Grade
Hibridación
1st Grade - University
Số oxi hóa _10
Chủ đề: Tính chất lưu huỳnh