Помогите 1) Mr(S8) 2)Mr(H2S) 3)Mr(ALCL3) w(AL) w(CL)
1) 32*8=256 2) 1*2+32=34 3) 27+35.5*3=133.5 W(Al)=(27*1)/133.5=0.2 W(Cl)=35.5*3/133.5=0.8