Q1.
Determine the number of atoms of copper produced when copper nitrate
solution is electrolysed for 20 minutes at a current of 0.6 A
Give your answer to 3 significant figures.
Use Figure 2.
Relative atomic mass (Ar): Cu = 63.5
The Avogadro constant = 6.02 × 1023 per mole
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
___________________________________________________________
Number of atoms (3 significant figures) = _______________
(3)

Leave a Reply