What are the coefficients needed to balance this chemical reaction to show that matter is conserved? Fe + Cl2 --> FeCl3

Answer Choices:

1,1,1
2,3,2
3,2,2
4,2,2

*WILL GIVE BRAINLIEST*​

Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.