Find the amount of magnesium oxide formed when 12 g of magnesium is burnt in air .
( atomic weight of Mg= 24 & O= 16 )
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5
Answer:
Two molecules of magnesium form two molecules of magnesium oxide. And we know, the mass of magnesium is 24g and that of oxygen is 16g. So, the mass of magnesium oxide i.e. MgO will be 24+16=40g.
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1
Answer:
Answer
- 40 MgO
Explanation:
when magnesium oxide burnt in air it will affect that small area
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