You performed this reaction: 2Cu + S --> Cu2S You used 80.0g Cu and 25.0g S.

What is the theoretical yield of Cu2S?

Which reactant is limiting?

a
The theoretical yield is 124.1g Cu2S and the limiting reactant is Cu

b
The theoretical yield is 100.2g Cu2S and the limiting reactant is S

c
The theoretical yield is 124.1g Cu2S and the limiting reactant is S

d
The theoretical yield is 100.2g Cu2S and the limiting reactant is Cu

also don't post unneccessary stuff to get points I need a real answers asap pls