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DrDoggo DrDoggo
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A year ago
The molar mass of an insecticide, dibromoethane, is 187.9 g/mol. Its molecular formula is C2H4Br2. What percent by mass of carbon does dibromoethane contain?


0.536%

85.05%

12.78%

2.14%

6.39%
Textbook 

Chemistry: An Atoms First Approach


Edition: 3rd
Authors:
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efarrar200efarrar200
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A year ago
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12.78%
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