CHỦ ĐỀ DUNG DỊCH - HÓA 8 (PHẦN 2)

Flashcard
•
Chemistry
•
8th Grade
•
Hard
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10 questions
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1.
FLASHCARD QUESTION
Front
Nồng độ phần trăm là nồng độ cho biết
Back
số gam chất tan có trong 100g dung dịch.
2.
FLASHCARD QUESTION
Front
Pha 300g dung dịch NaCl 20% cần bao nhiêu gam NaCl?
Back
60g
3.
FLASHCARD QUESTION
Front
Pha 300g dung dịch NaCl 20% cần khối lượng H2O?
Back
240g
4.
FLASHCARD QUESTION
Front
Pha 300ml dung dịch NaCl 3M cần khối lượng NaCl:
Back
52,65 gam
5.
FLASHCARD QUESTION
Front
Pha 100g dung dịch CuSO4 4% cần khối lượng nước:
Back
96g
6.
FLASHCARD QUESTION
Front
Nồng độ mol/lit của dung dịch là
Back
số mol chất tan trong 1 lít dung dịch
7.
FLASHCARD QUESTION
Front
Độ tan NaCl ở 100°C là 40g. Nồng độ phần trăm dung dịch bão hòa?
Back
28,57%
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