Underline the correct word. 1 Certain species of animals are killed for their fur. Consequently, they are threatened with extinction.

M(FeS)=M(FeS)*n, где n- количество вещества
Fe+S=FeS
n(Fe)=n(S)=(FeS)=5моль, т.к. их соотношение в растворе одинаково
M(FeS)=56+32=88г/моль
m=88*5=440 гр