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Question
What happens when lead sulfide reacts with ozone \[\ce{O3}\]?
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Solution
Ozone oxidizes lead sulfide to lead sulfate
\[\ce{\underset{Lead sulfide}{PbS_{(s)}} + 4O_{3(g)} -> \underset{Lead sulfate}{PbSO_{4(s)}} + 4O_{2(g)}}\]
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