Question

PLEASE HELP ME! Va implor ajutati-ma e super URGENT! Aflati necunoscutele: a,b,c,d,e,f,g,h,i,j.
a + NaOH -> Cu(OH)2 + b
Fe(SO4)3 + NaOH -> c+d
c -> d + H2O
d + HCl -> e + H2O
f + g -> e
f + a -> h + i
Cu(OH)2 -> j + H2O
j + H2 -> i + H2O

Answer 1

CuSO4+2NaOH---:> Cu(OH)2 +Na2SO4
Fe2(SO4)3+6NaOH--->2Fe(OH)3+ 3Na2SO4
2Fe(OH)3----> Fe2O3+3H2O
Fe2O3+6HCl---->2FeCl3+3H2O
2Fe+3Cl2---->2FeCl3
Fe+CuSO4--->Cu+FeSO4
Cu(OH)2--->CuO+H2O
CuO+H2--->Cu+H2O