Question

Calculate the equivalent mass of Al in Al2O3 ?

Answer 1

Answer:

27/3 =9

Explanation:

Answer 2

Answer:

Equivalent mass(E) = Molecular mass/valency

Al2O3= 27×2+3×16 = 54+48 = 102

then E = 54/3 = 18

E = 18.

hope it helps.......