Every step please 5. A power plant burns 1.0 × 102 metric tons of coal that cont

Question

Every step please 5. A power plant burns 1.0 × 102 metric tons of coal that contains 3 .0% (by mass) sulfur (1 metric ton-103 kg). The sulfur is converted to SO2 during combustion. a. How many metric tons of SO2 are produced? b. When S02 escapes into t the atmosphere it may combine with Oz and HO0, forming sulfuric acid, H2SO4. Write a balanced chemical equation describing this reaction. c. How many metric tons of sulfuric acid, a component of acid rain, could be produced from the quantity of SO2 calculated in part a?

Explanation / Answer

a)

10^2 tons of Coal --> 3/100*10^2 tons of S = 3 tons of S

reaction is

S + O2 = SO2

1 mol of S = 1 mol of SO2

32.0650 g of S = 64.0638 g of SO2

3 tons of S = (64.0638/32.0650 ) * 3 = 5.993 tons of SO2 produced

b)

The reaction

SO2 + 1/2O2 = SO3

SO3 + H2O = H2SO4

overall

SO2 + 1/2O2 + H2O = H2SO4

c)

find tons of H2SO4

if:

5.993 tons of SO2 produced

from ratio:

SO2 + 1/2O2 + H2O = H2SO4

1 mol of SO2 = 1 mol of H2SO4

64 tons of SO2 = 98 tons of H2SO4

5.993 tons of SO2 produce = 98/64 *5.993 = 9.176 tons of H2SO4 will be produced

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