CH-824
Empirical and molecular formulae
Chemistry · Secondary 3 · Hard · Empirical and molecular formulae
A sample of an oxide contains 60% element X and 40% oxygen by mass. The relative atomic mass of X is 24 and of oxygen is 16. What is the empirical formula of the oxide?
- XO
- XO₂
- X₂O
- X₂O₃
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