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When Copper Reacts with Sulfur at High Temperature, Copper(I)sulfide Is

Question 8

Multiple Choice

When copper reacts with sulfur at high temperature, copper(I) sulfide is formed. 2Cu(s) + S(s) → Cu2S(s) If the mass of the Cu2S formed is 1.17 g, what mass of copper should have reacted?


A) 0.934 g
B) not enough information
C) 0.78 g
D) 2.34 g
E) 0.467 g

Correct Answer:

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