\(a.n_{Cu}=\dfrac{12,8}{64}=0,2\left(mol\right)\\ Cu+2AgNO_3\rightarrow Cu\left(NO_3\right)_2+2Ag\\ n_{AgNO_3}=2n_{Cu}=0,4\left(mol\right)\\ \Rightarrow CM_{AgNO_3}=\dfrac{0,4}{6}=0,067M\\ b.n_{Ag}=2n_{Cu}=0,4\left(mol\right)\\ \Rightarrow m_{Ag}=0,4.108=43,2\left(g\right)\)
Sửa đề: \(600ml \) dd \(AgNO_3\)
\(a,n_{Cu}=\dfrac{12,8}{64}=0,2(mol)\\ PTHH:Cu+2AgNO_3\to Cu(NO_3)_2+2Ag\\ \Rightarrow n_{AgNO_3}=2n_{Cu}=0,4(mol)\\ \Rightarrow C_{M_{AgNO_3}}=\dfrac{0,4}{0,6}=0,67M\\ b,n_{Ag}=2n_{Cu}=0,4(mol)\\ \Rightarrow m_{Ag}=0,4.108=43,2(g)\)