Please show all steps. Thanks! Pound for pound, more sulfuric acid is produced i

Question

Please show all steps. Thanks!

Pound for pound, more sulfuric acid is produced in the world than any other chemical. The formation of H_2SO_4 is a three-step process: S(s) + O_2(g) rightarrow S0_2(g) 2SO_2(g) + 0_2(g) rightarrow 2SO_3(g) SO_3(g) + H_2O(1) right arrow H_2S_O_4(aq) a) If you started with 25.0 kg of sulfur, excess water, and an unlimited supply of oxygen, how many kg of sulfuric acid will be formed if the reaction goes to 100% completion? b) In real life, the formation of sulfuric acid is an equilibrium process in which the reaction does not go to completion. If you obtain 54.36 kg of sulfuric acid, what is the percent yield?

Explanation / Answer

From the reactions 1 mole of S produces 1 mole of H2SO4

32 g of S produces 98 g of H2SO4

25 kg of S produces (98/32)* 25 kg of H2SO4

                                    = 76.56 kg of H2SO4

for 100% completion 76.56 kg of H2SO4 is formed.

percent yield = (54.36 / 76.56) *100 = 71 % yield

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