What does the coefficient 3 in "3H₂O" mean?
- AWater has a charge of 3
- BEach water molecule has three oxygen atoms
- CEach molecule of water contains three hydrogen atoms
- DThere are three molecules (or moles) of water
What does the coefficient 3 in "3H₂O" mean?
Where do the mole ratios used in stoichiometry come from?
Charles's law describes the relationship between which two properties of a gas, at constant pressure?
Which element has chemical properties most similar to calcium?
Theo thuyết động học phân tử, nhiệt độ đo đại lượng nào?
How many moles of gas are in 44,8 L at STP (0 °C and 1 atm)?
Glucose (C₆H₁₂O₆) and fructose (C₆H₁₂O₆) join by a condensation reaction to form sucrose. What is the formula of sucrose?
Which 1-litre solution lowers the freezing point of water the most?
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