Problem: Calculate the percentage by mass of the indicated element in the following compounds.Carbon in acetylene, C2H2, a gas used in welding. Express your answer using three significant figures.

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Mass % C:


% mass C=mass C in C2H2molar mass C2H2 ×100

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Problem Details

Calculate the percentage by mass of the indicated element in the following compounds.

Carbon in acetylene, C2H2, a gas used in welding. Express your answer using three significant figures.

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