Preparation of Copper(I) Chloride
Reactions:
1) Cu(S) + 4HNO3(aq) ->Cu(NO3)2(aq) + 2NO2(g) +2H2O(l)
2) 2HNO3(aq) + Na2CO3(s) ->H2O(l) + CO2(g) + 2NaNO3(aq)
3)Cu(NO3)2(aq) + Na2CO3(s)-> CuCO3(s) + 2NANO3(aq)
4)CuCO3(s) + 2HCL(aq) -> CuCl2(aq) +H2O(l) + CO2(g)
5)CuCl2(aq) + Cu(s) -> 2CuCl(s)
Report:
Weight of Copper: 1.004g
Volume of Added Nitric Acid: 4.9mL
Total weight of added Sodium Carbonate: 3.841g
Weight of watch glass and filter paper: 51.740g
Weight of watch glass, filter paper, and CuCl Precipitate:53.513g
Experimental Yield of CuCl: 1.775g
Theoretical Yield of CuCl: 3.55g
Percent Yield of CuCl: 50%
Could we use HCl to dissolve the copper metal instead of nitricacid in the first reaction? Please explain.
