Câu 1: Để tính khối lượng chất dựa vào số mol chất và khối lượng mol chất ta dùng công thức:

Củng cố tính theo PTHH

Quiz
•
Science
•
8th Grade
•
Medium
Liên Vũ Thị
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) m=n.M
B) m=n:M
C) m=M:n
D) m=n - M
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 2: Để tính thể tích của n (mol) chất khí bất kì ở điều kiện chuẩn ta dùng công thức:
A) V = n . 24 (lít)
B) V = n : 24 (lít)
C) V = n . 24,79 (lít)
C) V = n : 24,79 (lít)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) 120 (gam/mol)
B) 72 (gam/mol)
C) 98 (gam/mol)
D) 100 (gam/mol)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 4: Số mol của 12 gam Mg là:
A) 0,1 mol
B) 0,2 mol
C) 0,4 mol
D) 0,5 mol
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Câu 5: Thể tích của 0,1(mol) khí Nitrogen ở điều kiện chuẩn là:
A) 2,479(lít)
B) 247,9(lít)
C) 24,79(lít)
D) 12,395(lít)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) 0,5 mol
B) 0,25 mol
C) 0,1 mol
D) 0,125 mol
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) 127 gam
B) 3,2 gam
C) 31,75 gam
D) 317,5 gam
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A) 6,1975 lít
B) 12,395 lít
C) 24,79 lít
D) 2,479 lít
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