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denis-greek [22]
3 years ago
8

When you mix water and salt you get a. ​

Chemistry
1 answer:
ki77a [65]3 years ago
5 0
Salt water , from the ocean
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When iron metal reacts with oxygen, the reaction can form Fe2O3. Write a balanced chemical equation for this reaction, and find
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<h3>Answer:</h3>

Balanced equation: 4Fe + 3O₂ → 2Fe₂O₃

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<h3>Explanation:</h3>

To answer the question;

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4Fe + 3O₂ → 2Fe₂O₃

  • We are given 6 moles of Fe₂O₃

We are required to determine the number of moles of oxygen needed to form 6 moles of Fe₂O₃.

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Therefore; Moles of O₂ = Moles of Fe₂O₃ × 3/2

Hence, moles of oxygen = 6 moles × 3/2

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Thus, Moles of Oxygen needed is 9 moles

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