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Molecular Mass

mass of magne...

Question

mass of magnesium oxide formed by burning 24g of magnesium in air is
2mg+O2 arrow 2mgo

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Solution

$2 M g + O_{2} \to 2 M g O 2 \times 24 2 (24 + 16) = 48 g = 80 g 48 g o f M g f o r m s 80 g o f M g O 24 g o f M g f o r m s = \frac{80}{48} \times 24 = 40 g 40 g o f M g O i s f o r m e d$

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