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1.5g of magnesium ribbon is burnt in oxygen to produce 2.5g of magnesium oxide. How much oxygen is required in grams?
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7 votes
1.5g of magnesium ribbon is burnt in oxygen to produce 2.5g of magnesium oxide. How much oxygen is required in grams?

User Nikolay Shebanov
by
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1 Answer

5 votes

Answer:

2.5 grams

Step-by-step explanation:

law of conservation of mass applies. the magnesium completely burns

User Marc Fletcher
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