FeS+HC1--->FeC1(2)+H(2)S. what is the balanced equation thanks.

Wouldnt you need a coefficent of two in front of HCl?

the balanced equation would result like this:

FeS+2HCl-->FeCl2+H2S

therefore, each side is equal
Fe- 1
S- 1
H- 2
Cl-2