CuO+2HCl->CuCl2+H2O
0,1----0,2-----0,1-----0,1
nCuO=0,1 mol
=>mHCl=0,2.36,5=7,3g
->mdd HCl=400g
C% muối=\(\dfrac{0,1.135}{8+400}.100=3,3\%\)
\(n_{CuO}=\dfrac{8}{80}=0,1\left(mol\right)\)
\(CuO+2HCl\rightarrow CuCl_2+H_2O\)
0,1 0,2 0,1 0,1
\(m_{HCl}=0,2.36,5=7,3\left(g\right)\)
\(m_{ddHCl}=\dfrac{7,3.100}{1,825\%}=400\left(g\right)\)
\(C\%_{CuCl_2}=\dfrac{0,1.135.100}{8+400}=3,31\%\)