M(Fe)=28 r m(S)=22.4 r --------------- m(FeS)=?

Question

M(Fe)=28 r
m(S)=22.4 r
---------------
m(FeS)=?

Answer 1

28----------x
Fe + S = FeS
56---------88
(28 × 88) ÷ 56 = 44 г(FeS)