
Ứng dụng logarit để đo độ pH
Authored by Hong Vu
Mathematics
11th Grade
Used 1+ times

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7 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5
7
9
11
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3
5
4
6
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
5
7
9
11
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
3,44
4,23
3,98
4,64
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Dung dịch acid A có độ pH bằng 1,9 ; dung dịch acid B có độ pH bằng 2,5.
Dung dịch acid A có độ acid gấp dung dịch B bao nhiêu lần? (Làm tròn đến hàng đơn vị)
3
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7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Nước chảy ra từ một vòi nước có độ pH từ 6,5 đến 6,7 thì có nồng độ acid là X. Hảy chọn đáp án đúng.
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