WHAT DOES KIF15-IN-2 MEAN?

$begingroup$ We carried out an experiment in class wherever we put a piece of copper wire in a solution of silver nitrate, we were tasked with predicted the mass of copper that should react along with the mass of silver that ought to be fashioned. My dilemma is, what are indicators of Cu(I) and Cu(II) ions?The patch must be applied quickly soon aft