MCQ
What is % composition of a substance?
- ASum of all the components.
- B% composition of the sum of two components.
- C% of the total mass of a substance.
- DNone of the above.
✓
Answer
- % of the total mass of a substance.
Explanation:
The percent composition of a component in a compound is the percent of the total mass of the compound that is due to that component.
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