
Flashcard về Nồng độ và Dung dịch
Flashcard
•
Chemistry
•
8th Grade
•
Easy
Vũ Huyền TH&THCS LƯU KHÁNH ĐÀM
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4 questions
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1.
FLASHCARD QUESTION
Front
Nồng độ phần trăm là
Back
số gam chất tan có trong 100 gam nước.
2.
FLASHCARD QUESTION
Front
Ý nghĩa của thông số 3% trên nhãn chai nước oxy già (chứa chất tan là hydrogen peroxide)?
Back
Trong 100 gam dung dịch có 3 gam hydrogen peroxide.
3.
FLASHCARD QUESTION
Front
Hòa tan 30 gam đường ăn vào 90 gam nước thu được dung dịch đường. C% của dung dịch đường đó trên bao nhiêu?
Back
33,33%
4.
FLASHCARD QUESTION
Front
Trong một chai dung dịch D-glucose 5% có chứa 20 gam D-glucose. Tính khối lượng nước có trong chai dung dịch đó.
Back
380 gam
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