Question

Atomic mass of Zinccoppride​

Answer 1

In 1961, the Commission recommended Ar(Zn) = 65.37 based on the chemical determinations. Meanwhile, mass-spectrometric determinations yielded a higher value of Ar(Zn) = 65.387.

Answer 2

Answer:

Solution:-

Reaction of zinc to produce hydrogen-

Zn+2HCl⟶ZnCl2+H 2

Reaction of hydrogen to reduce copper oxide into copper-

CuO+H 2 ⟶H 2O+Cu