Advanced Placement (AP), 04.05.2021 03:00 dylancasebere

9. Coal from source A produces sulfur at a rate of 18g per 100kg of coal. Coal from source B produces sulfur at a rate of 458 per 270kg of coal. Source A sells coal for $0.65/kg and source

B sells for $1.50/kg.

a. How many grams of sulfur would be released from the combustion of $100 of each

source of coal? (round to the nearest tenth)

b. We use about 7 billion metric tons of coal worldwide per year for electricity generation.

Using the least pollution coal source, how many kilograms of sulfur would be released

per year?

Answers: 2

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9. Coal from source A produces sulfur at a rate of 18g per 100kg of coal. Coal from source B prod...