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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)...

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Question

Chemistry

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.

Answer & Explanation Solved by verified expert
4.5 Ratings (999 Votes)
NO When you are using Hydrochloric Acid aka HCl it will attack nearly anything above hydrogen including Lead Aluminum Magnesium Tin Zinc etc Lead is a bit of a challenge for HCl because Lead    See Answer
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