3Cu 2NO3 -(氧化剂) 2NO
3x 2x
3Ag NO3 - NO
3y y
(1)n(HNO3还原)=n(NO)=6.72/22.4=0.3mol
(2)2x+y=0.3
3x*64+3y*108=30
所以3y=0.2*3/38,
Ag%=0.2*3*108/38/30=5.68%
3Cu 2NO3 -(氧化剂) 2NO
3x 2x
3Ag NO3 - NO
3y y
(1)n(HNO3还原)=n(NO)=6.72/22.4=0.3mol
(2)2x+y=0.3
3x*64+3y*108=30
所以3y=0.2*3/38,
Ag%=0.2*3*108/38/30=5.68%