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MCQ
In the reaction 2Mg + O2 gives 2MgO, what mass of MgO forms from 24 g of Mg?
Unit-6 Stoichiometry
A 20 g
B 40 g
C 80 g
D 60 g
Explanation

24 g Mg = 1 mol, which produces 1 mol MgO = 24 + 16 = 40 g.

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