Question

write the chemical equation when dil , mod , conc , HNO5 reacts with Cu
Please Answer ​

Answer 1

Answer:

3Cu+8HNO

3

(dil.)→3Cu(NO

3

)

2

+4H

2

O+2NO

This is the correct chemical equation as it follows the law of conservation of mass.

Answer 2

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Nitric acid reacts with copper according to the reaction: 4 HNO3(l) + Cu(s) ==> Cu(NO3)2(s and aq) + 2 NO2(g) + 2 H2O(l) The copper nitrate salt that forms is a deep blue color. The nitrogen dioxide is a maroon vapor. Place the copper disk in the bottom of the glass cylinder.