Question

Which four quantities a, b, c and d are required to balance the equation ...

aFe2O3(s) + bHCl(aq) ==> FeCl3(aq) + dH2O(1) ?

Answer 1

I wish I could help you but I don’t know the answer

Answer 2

Fe2O3 + 6HCl ==> 2FeCl3 + 3H2O

=> a = 1

b = 6

c = 2

d = 3