Scrubbers Installed on Coal Fired Power Plants Remove Acidic Emissions

Scrubbers installed on coal fired power plants remove acidic emissions by the following reaction:
CaCO₃ + H₂SO₄ → H₂O + CaSO₄ + CO₂
If a plant burns 2.4 million metric tons of coal (1 t = 1000 kg) containing 1.3% sulfur,how much limestone (CaCO₃) will be consumed neutralizing the resulting acid? Assume that all of the sulfur is converted to sulfuric acid and that the acid is completely converted to calcium sulfate.

A) 2.4 × 10⁹ kg
B) 1.3 × 10⁸ kg
C) 3.1 × 10⁷ kg
D) 9.7 × 10⁷ kg

Correct Answer:

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