Mr(AI2(SO4)3)=27*2+[(32+16*4)*3]=342 Mr(CuSO4*5H2O)=64+(32+16*4)+5*18=250 Mr(CH3COOH)=12+1*3+12+32+1=60 Mr(Na2O2)=23*2+16+2=78 III VI II II VI II I II IV I IV II II I Валентность- AI2 (S O4)3 Cu SO4* 5H2O C H3 C O O H I I Na2O2 AI2(SO4)3 w(AI)=27*2/342*100=15.78% w(O)=16*12/342*100=56.14% w(S)=32*3/342*100=28.07%
Cu SO4* 5H2O w(Cu)=64/250*100=25.6% w(S)=32/250*100=12.8% w(O)=16*9/250*100=57.6% w(H)= 10/250*100=4%
Mr(CuSO4*5H2O)=64+(32+16*4)+5*18=250
Mr(CH3COOH)=12+1*3+12+32+1=60
Mr(Na2O2)=23*2+16+2=78
III VI II II VI II I II IV I IV II II I
Валентность- AI2 (S O4)3 Cu SO4* 5H2O C H3 C O O H
I I
Na2O2
AI2(SO4)3 w(AI)=27*2/342*100=15.78% w(O)=16*12/342*100=56.14%
w(S)=32*3/342*100=28.07%
Cu SO4* 5H2O w(Cu)=64/250*100=25.6% w(S)=32/250*100=12.8%
w(O)=16*9/250*100=57.6% w(H)= 10/250*100=4%
CH3COOH w(C)=12*2/60*100=40% w(O)=32/60*100=53.3% w(H)=4/60*100=6.6%
Na2O2 w(Na)=23*2/78*100=58.9% w(O)=32/78*100=41.1%