\(n_{HCl}=\dfrac{14,6}{36,5}=0,4\left(mol\right)\)
\(PTHH:R+2HCl\rightarrow RCl_2+H_2\uparrow\\ Mol:0,2\leftarrow0,4\rightarrow0,2\rightarrow0,2\)
=> MR = \(\dfrac{13}{0,2}=65\left(\dfrac{g}{mol}\right)\)
=> R là Zn
=> \(\left\{{}\begin{matrix}V_{H_2}=0,2.22,4=4,48\left(l\right)\\m_{ZnCl_2}=0,2.136=27,2\left(g\right)\end{matrix}\right.\)
nHCL = 14,6 : 36,5 = 0,4 (MOL)
pthh : 2R + 2xHCl ---> 2RClx + xH2
0,4x<--0,4 (mol)
MR = 13:0,4x = 32,5x(g/mol)
xét
x = 1 (KTM )
x= 2 (TM )
x = 3 (KTM )
x =4( KTM )
x= 5 (ktm )
x=6 (ktm)
x=7 (ktm )
=> R là zn
nHCL = 14,6 : 36,5 = 0,4 (MOL)
pthh : 2R + 2xHCl ---> 2RClx + xH2
0,4x<--0,4 (mol)
MR = 13:0,4x = 32,5x(g/mol)
xét
x = 1 (KTM )
x= 2 (TM )
x = 3 (KTM )
x =4( KTM )
x= 5 (ktm )
x=6 (ktm)
x=7 (ktm )
=> R là zn