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27-02-2024
Chemistry

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When a 75.5-g sample of sulfur-containing coal was burned. 4.30 g of sulfur dioxide was produced. Assuming the coal to be a mixture of carbon and sulfur, what is the percentage of sulfur in the coal?
a. 5.7%
b. 8.8%
c. 10.2%
d. 12.3%

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