
LUYỆN TẬP CÁC CÔNG THỨC CƠ BẢN ĐỂ TÍNH TOÁN TRONG HÓA HỌC
Authored by tam nguyenthuythanh68
Chemistry
8th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Số mol của 22,4gam Fe là
0,1mol
0,2mol
0,3mol
0,4mol
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Số mol của 4,958 lít khí oxygen ở điều kiện chuẩn là
0,1mol
0,2mol
0,3mol
0,4mol
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Số mol của CuSO4 có trong 250ml dung dịch CuSO4 0,1M là
0,025mol
0,25mol
2,5mol
25mol
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Khối lượng của 2mol H2O là
9gam
18gam
34gam
36gam
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Thể tích ở điều kiện chuẩn của 0,5mol khí CH4 là:
8gam
1,2395 lít
12,395 mol
12,395 lít
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nồng độ phần trăm của 75gam K2SO4 có trong 1500gam dung dịch là
0,05%
0,5%
5%
50%
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Nồng độ mol của 0,06mol Na2CO3 trong 1500ml dung dịch là
0,00004M
0,0004M
0,004M
0,04M
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