\(Fe+2AgNO_3\rightarrow Fe\left(NO_3\right)_2+2Ag\\ Đặt:n_{Fe\left(pứ\right)}=x\left(mol\right)\\ m_{tăng}=108.2x-56x=57,6-56\\ \Rightarrow x=0,01\left(mol\right)\\ m_{Ag}=0,01.2.108=2,16\left(g\right)\)
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