Air is an example of a mixture because the elements and compounds that make up air retain their individual properties.
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Answer: The mass percent of carbon in acetylene is 92.31 %.
Explanation:
In , there are 2 carbon atoms and 2 hydrogen atoms.
To calculate the mass percent of element in a given compound, we use the formula:
Mass of carbon =
Mass of acetylene =
Putting values in above equation, we get:-
Hence, the mass percent of carbon in acetylene is 92.31 %.