Answer: maybe D sorry if it's wrong
Explanation:
Answer:
I think it's C
i think its c b3cause when you guess c always feels right
Calcium chloride (CaCl2)
Ca + Cl2 > CaCl2
if you want to copper plate something you need an electrolyte made from a solution of a copper salt .
Answer: 1.8 * 10 ^ -5
