\(Saccarozo^{\underrightarrow{thuỷphân}}1glucozo+1fructozo\)
Khi cho X tác dụng AgNO3 : \(1glucozo\rightarrow2Ag;1fructozo\rightarrow2Ag\)
Ta có : \(n_{saccarozo}=n_{glucozo}=n_{fructozo}=\dfrac{68,4}{342}=0,2\left(mol\right)\)
\(\Rightarrow n_{Ag}=0,2.2+0,2.2=0,8\left(mol\right)\\ \Rightarrow m_{Ag}=0,8.108=86,4\left(g\right)\)