1 : 1 :1 :2H2SO4+BaCl2= BaSO4+ 2HCl
M(H2SO4)=98g/mol
M(BaCl2)=208g/mol
n(H2SO4)=98/98=1mol
n (BaSO4)=n(H2SO4)=1mol
M(BaSO4)= 233g/mol
m(BaSO4)=233*1=233g
Точно списала массу?
1 : 1 :1 :2
H2SO4+BaCl2= BaSO4+ 2HCl
M(H2SO4)=98g/mol
M(BaCl2)=208g/mol
n(H2SO4)=98/98=1mol
n (BaSO4)=n(H2SO4)=1mol
M(BaSO4)= 233g/mol
m(BaSO4)=233*1=233g
Точно списала массу?