229. The concentration of sulfur in a gasoline sample is 6400 ppm. Assuming complete combustion of sulfur in the engine and conversion to sulfuric acid gas, burning one kilogram of this gasoline can lower the pH of 1000 liters of pure water in a tank by approximately how many units? (Under experimental conditions, assume both ionization steps of the acid are complete.) $$(S = rr,\ O = 1\mathit{6},\ H = 1:\ \mathrm{g.mol^{-1}})$$ (1) $r/\mathit{6}$ (2) $\mathit{6}/Y$ (3) $r$ (4) $f$ \rule{0.8\textwidth}{0.4pt} Calculation Space %% Page 25 Chemistry 120-A Page 24
\textbf{229.} The concentration of sulfur in a gasoline sample is 6400 ppm. Assuming complete combustion of sulfur in the engine and conversion to sulfuric acid gas, burning one kilogram of this gasoline can lower the pH of 1000 liters of pure water in a tank by approximately how many units? (Under experimental conditions, assume both ionization steps of the acid are complete.)
$$(S = rr,\ O = 1\mathit{6},\ H = 1:\ \mathrm{g.mol^{-1}})$$
(1) $r/\mathit{6}$ \quad (2) $\mathit{6}/Y$ \quad (3) $r$ \quad (4) $f$
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