
Bài tập: Mol
Quiz
•
Chemistry
•
8th Grade
•
Practice Problem
•
Medium
hue pham
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Mối quan hệ giữa số mol và khối lượng là:
n = M/m
m = M/n
n = m/M
n = m.M
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Số mol phân tử N2 có trong 280 gam nitrogen là
9 mol
10 mol
11 mol
12 mol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Khối lượng của 0,1 mol khí H2S là
m= n x M= 0,1 x 34 =3,4 gam
m= n x M= 0,1 x 44 = 4,4 gam
m= n x M= 0,1 x 22 = 2,2 gam
m= n x M= 0,1 x 66 = 6,6 gam
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Thể tích của 0,5 mol CO2 (điều kiện chuẩn) là
22,4 lít
12,395 lít
24,79 lít
5,6 lít
5.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Ở điều kiện chuẩn, 0,25 mol khí H2 có thể tích là............
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Số mol của 867,65 ml khí Oxygen (đkc) là:
0,0035 mol
0,35 mol
35 mol
0,035
7.
FILL IN THE BLANK QUESTION
30 sec • 1 pt
Khối lượng mol của Na2CO3 là bao nhiêu? (Biết Na: 23, C: 12, O: 16)
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