Answered: H2O2(aq)+SO2(g)⟶H2SO4(aq)…

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Scientists determine the quantity of atmospheric sulfur dioxide (SO2 ), a large contributor to acid rain, by an indirect titration. First, a scientist collects a sample of air and reacts it with hydrogen peroxide (H2O2 ) to form a solution of sulfuric acid (H2SO4 ). Then, the amount of H2SO4 produced is determined by titration with a sodium hydroxide solution (NaOH) of known concentration.

H2O2(aq)+SO2(g)⟶H2SO4(aq)

H2SO4(aq)+2NaOH(aq)⟶2H2O(l)+Na2SO4(aq)

Suppose Lane collects a 584.0 g sample of air that is known to contain SO2 and reacts it with excess H2O2 . A volume of 28.6 mL of 0.015 M NaOH is required to neutralize the H2SO4 produced. Calculate the mass percent of SO2 in the air sample.

Mass percent: ? % SO2

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