Resposta :
Equação balanceada,
2Mg + O2 > 2Mg O
2.24 -> 1. 16
48g/mol ---->16 g/ mol
48g-----> x
48.X =16.48
48X = 768
X= 768/48
X= 16 g
2Mg + O2 > 2Mg O
2.24 -> 1. 16
48g/mol ---->16 g/ mol
48g-----> x
48.X =16.48
48X = 768
X= 768/48
X= 16 g