Help me solve for C , Part A and B are correct. Problem: In 1986 an electrical p

Question

Help me solve for C, Part A and B are correct.

Problem:

In 1986 an electrical power plant in Taylorsville, Georgia, burned 8,376,726 tons of coal, a national record at that time.

Part A

Assuming that the coal was 87.4 % carbon by mass and that combustion was complete, calculate the number of tons of carbon dioxide produced by the plant during the year

Answer - 26844614.588 tons of CO2

Part B

Assuming that the coal was 2.90 % sulfur by mass and that combustion was complete, calculate the number of tons of sulfur dioxide produced by the plant during the year.

Answer = 485850.108 tons of SO2

Part C

If 72.0 % of the SO2 could be removed by reaction with powdered calcium oxide, CaO, via the reaction

SO2(g)+CaO(s)?CaSO3(s)

how many tons of calcium sulfite, CaSO3, would be produced?

Express your answer numerically in tons

Explanation / Answer

amount of SO2 produced by the plant during the year to be 485850.108 tons. Since only 72% of it can be removed by the given reaction with calcium oxide, then we can calculate the number of tons of SO2 that participates in the reaction:
(485850.108 tons)(0.72) =349812.07776 tons of SO2 used up
According to the balanced equation,
SO2(g) + CaO(s) ? CaSO3(s)
one formula mass of SO2 produces one formula mass of CaSO3.
We can use a simple proportion:
[(formula mass SO2) / (formula mass CaSO3)] = [(349812.07776 tons SO2) / (X tons CaSO3)]
[(64.0628 ? SO2) / (120.1422 ? CaSO3)] = [(349812.07776 tons SO2) / (X tons CaSO3)]
X = [(120.1422 ? CaSO3)(349812.07776 tons SO2)] / (64.0628 ?)
X =656031.15394 tons

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