Answer:
The answer is weathering.
Explanation:
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According to provided equation it is clear that Zn metal is oxidized from Zn⁰ into Zn²⁺ which means that Zn metal dissolves and forming Zn²⁺ solution so the correct answer is:
mass of the Zn(s) electrode decreases
Molar mass of CO2 = 44.01 g/mol
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