\(Fe_2O_3+6HCl-->2FeCl_3+3H_2O\left(1\right)\)
0,05_______0,3_______0,1
\(n_{Fe_2O_3}=\frac{8}{160}=0,05\left(mol\right)\)
a) \(m_{FeCl_3}=0,1.162,5=16,25\left(g\right)\)
b)
\(V_{HCl}=\frac{0,3}{0,5}=0,6\left(M\right)\)
c) \(C_{M_{FeCl_3}}=\frac{0,1}{0,5}=0,2\left(M\right)\)
a)
\(n_{Fe2O3}=\frac{8}{160}=0,05\left(mol\right)\)
\(Fe_2O_3+6HCL\rightarrow2FeCl_3+3H_2O\)
0,05_______0,3______ 0,1____________
\(m_{FeCl3}=0,1.26,5=16,25\left(g\right)\)
b)
\(V_{HCL}=\frac{0,3}{0,5}=0,6\left(l\right)\)
c)
\(CM_{HCl}=\frac{0,1}{0,6}=\frac{1}{6}M\)