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26 December, 03:47

A particular coal contains 2.5% sulfur by mass. When this coal is burned, the sulfur is converted into sulfur dioxide gas. The sulfur dioxide reacts with solid calcium oxide to form solid calcium sulfite.

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  1. 26 December, 03:57
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    The balance equation is:

    SO2 + CaO → CaSO3

    1.

    (2100 tons) x (0.025 S) / (32.0655 g S/mol) x (1 mol SO2 / 1 mol S) x

    (1 mol CaO / 1 mol SO2) x (56.0778 g CaO/mol)

    = 91.81 tons CaO

    2. (2100 tons) x (0.025 S) x (907185 g/ton) / (32.0655 g S/mol) x (1 mol SO2 / 1 mol S) x (1 mol CaSO3 / 1 mol SO2) x (120.1422 g CaSO3/mol)

    = 1.784 x 10^8 g CaSO3
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