Question

M(fe)=28г
H2so4
M(fe2so4)=?
V(h2)

Answer 1

28 x = 52 x=5.6
2Fe + H2SO4 = Fe2SO4 + H2
112 208 22.4

M (Fe2SO4) 28×208/112 = 52
V (H2) 28×22.4/112 = 5.6