Làm thế nào để tính toán được lượng chất theo PTHH

Quiz
•
Science
•
8th Grade
•
Medium
Lại Trang
Used 2+ times
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Công thức tính số mol chất khi biết khối lượng chất là
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Công thức tính thể tích chất khí ở điều kiện chuẩn là
3.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
3,011 x 1023 là giá trị của ....... mol
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1,5 mol nước chứa ........ phân tử H2O
9,033 x 1023
6,022 x 1023
3,011 x 1023
1023
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Điều kiện nào sau đây là điều kiện chuẩn?
20oC; 1 bar
25oC; 1 bar
1oC; 0 bar
0oC; 2 bar
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thể tích của 2 mol CO2 (đkc) là
12,395 lít
24,79 lít
37,185 lít
49,58 lít
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khí nào sau đây nặng hơn khí Oxygen (O2)?
Khí Oxygen (O2)
Khí Hydrogen (H2)
Khí Nitrogen (N2)
Khí carbon dioxide (CO2)
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