Question

Calculate the percentage of copper sulphate in blue vitriol (CuSO4.5H2O).​

Answer 1

Answer:

63.92 % (approx)

Explanation:

R.M.M of CuSO4.5H2O= 249.5

R.M.M of CuSO4 = 159.5

Percentage of it = 159.5/249.5*100

=63.92%

Answer 2

Answer:

64%

Explanation:

%composition : (mass of what you have to find / total mass of compound )*100

Then

(mass of cuso4 / mass of blue vitriol )*100

(160/250)*100

64%