BaSO4
Mr(BaSO4)=Ar(Ba)+Ar(S)+4Ar(O)=137+32+64=233 г\моль
w(Ba)=Ar(Ba):(Mr(BaSO4):100)=137:233:100=58,8%
w(S)=Ar(S):(Mr(BaSO4):100)=32:233:100=13,7%
w(O4)=4Ar(O):(Mr(BaSO4):100)=64:233:100=27,5%
Mr(BaSO4)=Ar(Ba)+Ar(S)+4Ar(O)=137+32+(16*4)=233
w(Ba)=Ar(Ba)/(Mr(BaSO4)/100)=137/233/100=58,8%
w(S)=Ar(S)/(Mr(BaSO4)/100)=32/233/100=13,7%
w(O)=4Ar(O)/(Mr(BaSO4)/100)=64/233/100=27,5%
BaSO4
Mr(BaSO4)=Ar(Ba)+Ar(S)+4Ar(O)=137+32+64=233 г\моль
w(Ba)=Ar(Ba):(Mr(BaSO4):100)=137:233:100=58,8%
w(S)=Ar(S):(Mr(BaSO4):100)=32:233:100=13,7%
w(O4)=4Ar(O):(Mr(BaSO4):100)=64:233:100=27,5%
Mr(BaSO4)=Ar(Ba)+Ar(S)+4Ar(O)=137+32+(16*4)=233
w(Ba)=Ar(Ba)/(Mr(BaSO4)/100)=137/233/100=58,8%
w(S)=Ar(S)/(Mr(BaSO4)/100)=32/233/100=13,7%
w(O)=4Ar(O)/(Mr(BaSO4)/100)=64/233/100=27,5%