Sebanyak 12 gram logam magnesium dibakar diudara membentuk 20 gram magnesium oksida (MgO) .
Tentukan massa gas oksigen yang diperlukan dalan pembakaran tersebut
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mol =
DIKETAHUI
mol Mg = =
mol MgO = =
mol O₂ = pastinya harus karena mol reaktan & mol produk itu sama
jadi mol O₂ = =
x (massa O₂) = 8 gram