Question

When copper is heated with an access of sulfur,copper sulfide is formed according to the equation:
2Cu + S =Cu2S
In a particular experiment,2.4g of copper was heated with excess sulfur to yield 2.85g of copper sulfide. What is the percentage yield of this reaction?

Answer 1

Answer:

15

Explanation:

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Answer 2

Answer:

15%

Explanation:

this is wat I found in internet