Дано Сr₂(SO₄)₃·6H₂O Найти: w(Сr)-? w(S)-? w(O)-? w(H)-? m(Сr):m(S):m(O):m(H)

Mr(Сr₂(SO₄)₃·6H₂O)=52×2+((32+16×4)×3)+(6×(1×2+16))=500W(Cr)=52*2/500*100=10,4%m(Cr)=52*2=104W(S)=32*3/500*100=19,2%m(S)=32*3=96W(O)=16*4*3+16*6=288/500*100=57,6%m(O)=16*4*3+16*6=288W(H)=1*2*6=12/500*100=2,4%M(H)=1*2*6=12