Răspuns:
miu,BaSO4=233g/mol
miu,BaCl2=208g/mol
miu,H2SO4= 98g/mol
niu=m/miu= 466/233mol=2mol BaSO4
1mol...............1mol.............1mol
BaCl2 + H2SO4-----> BaSO4 + 2HCL
x......................y.....................2mol
x=y=niu= 2mol
m,BaCl2=niuxmiu= 2x208g= 416g
m,H2SO4= niuxmiu= 2x98g= 196g
Explicație: