BÀI 18 MOL
Quiz
•
Chemistry
•
3rd Grade
•
Practice Problem
•
Medium
Loan Phạm
Used 18+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số Avogađro có giá trị là:
A. 6.10-23.
B. 6.10-24.
C. 6.1023.
D. 6.1024.
A
B
C
D
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1,5.1023 phân tử CO2 tương ứng với số mol là:
A. 0,2 mol.
B. 0,3 mol .
C. 0,25 mol.
D. 0,35 mol.
A
B
C
D
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
9.1023 nguyên tử oxi tương ứng với số mol là:
A. 1 mol.
B. 5 mol.
C. 1,2 mol.
D. 1,5 mol.
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính số mol của 3.1023 phân tử nước?
A. 0,2 mol.
B. 0,3 mol.
C. 0,4 mol.
D. 0,5 mol.
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong 2 mol nước chứa số phân tử là:
A. 6.1023.
B. 12.1023.
C. 18.1023.
D. 24.1023.
A
B
C
D
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trong 0,5 mol khí oxi có bao nhiêu nguyên tử oxi ?
A. 6.1023 nguyên tử.
B. 0,6.1023 nguyên tử.
C. 0,3.1023 nguyên tử.
D. 3.1023 nguyên tử.
A
B
C
D
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
rong 1,5 mol CO2 có bao nhiêu phân tử CO2?
A. 6.1023
B. 9.1023
C. 12.1023
D. 18.1023
A
B
C
D
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