A 3.963-g sample of coal was burned in a tube furnace and, Ask an Expert

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A 3.963-g sample of coal was burned in a tube furnace and the liberated SO2 was collected in dilute H2O2, which converts the SO2 to sulfuric acid:

SO2(g) + H2O2(aq) ---> H2SO4(aq)

A 25.00-mL portion of 0.01302 M NaOH was added to the resulting solution of H2SO4, and the excess base was back-titrated with 7.97 mL of 0.01137 M HCl. Report the sulfur in the coal sample as ppm S.

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Category:- Chemistry
Reference No.:- M9692158

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