3. Chemical Reactions
Stoichiometry
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ANSWERS OPTIONS
A
2.93×10–2 g ZnO
B
3.42×10–2 g ZnO
C
5.85×10–2 g ZnO
D
1.17×10–1 g ZnO
Alkaline batteries are used in most household items. The overall cell reaction is:
Zn(s) + 2 MnO2(s) ⇌ ZnO(s) + Mn2O3(s)
Calculate the mass of ZnO produced from 6.25×10–2 g of MnO2.