Question

balance

Cu + S = Cu2S

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Answer 1

Answer:

Cu + S = Cu2S - Chemical Equation Balancer.

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Answer 2

Answer:

2Cu + S = Cu2S

Explanation:

We have

Cu  + S = Cu2S

Cu: 1         Cu:2

S: 1            S:1

So now add one more copper(Cu) to LHS we get

2Cu  + S = Cu2S

Cu: 2         Cu:2

S: 1            S:1

Thus Equation Balanced