Chemistry · Laws of Chemical Combination
The Law of Constant Proportions states that:
- 1a given chemical compound always contains its component elements in a fixed ratio by mass✓
- 2the pressure of a gas is directly proportional to its temperature at constant volume
- 3energy cannot be created or destroyed, only transformed
- 4the total mass of reactants equals the total mass of products in a chemical reaction
Correct answer
a given chemical compound always contains its component elements in a fixed ratio by mass
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