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Magnesium + oxygen → magnesium oxide [2 mg + o2 → 2 mgo] is an example of:

Magnesium + oxygen → magnesium oxide [2 mg + o2 → 2 mgo] is an example of:
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Magnesium + oxygen → magnesium oxide [2 mg + o2 → 2 mgo] is an example of:

User Yueyanw
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All masses are conserved, so mass of Mg + mass of O has to be total mass of MgO.9.72 g Mg + mass of O = 16.12 g MgO
Therefore, mass of O = 6.4 g"
User Jiseon
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