Suppose two chemical reactions are linked together in a way that the O2 produced in the first reaction goes on to react completely with Mg to form MgO in the second reaction. Reaction one: 2 KClO3 ? 3 O2 + 2 KCl Reaction two: 2 Mg + O2 ? 2 MgO If you start with 4 moles of KClO3, how many moles of MgO could eventually form?

Suppose two chemical reactions are linked together in a way that the O2 produced in the first reaction goes on to react completely with Mg to form MgO in the second reaction. Reaction one: 2 KClO3 ? 3 O2 + 2 KCl Reaction two: 2 Mg + O2 ? 2 MgO If you start with 4 moles of KClO3, how many moles of MgO could eventually form?

Suppose two chemical reactions are linked together in a way that the O2 produced in the first reaction goes on to react completely with Mg to form MgO in the second reaction.
Reaction one: 2 KClO3 ? 3 O2 + 2 KCl
Reaction two: 2 Mg + O2 ? 2 MgO
If you start with 4 moles of KClO3, how many moles of MgO could eventually form?



A) 2 moles
B) 4 moles
C) 6 moles
D) 12 moles
E) none of the above





Answer: D


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