nH2=3,92/22,4=0,175(mol)
ZnO+H2---->Zn+H2O
x_____x_____x___x
CuO+H2--->Cu+H2O
y____y______y___y
Hệ pt:
\(\left\{{}\begin{matrix}81x+80y=14,1\\x+y=0,175\end{matrix}\right.\Rightarrow\left\{{}\begin{matrix}x=0,1\\y=0,075\end{matrix}\right.\)
=>m chất rắn=x=0,1.65+0,075.64=11,3(g)
=>m H2O=y=18(0,1+0,075)=3,15(g)
nH2=3,92/22,4=0,175(mol)
ZnO+H2---->Zn+H2O
x_____x_____x___x
CuO+H2--->Cu+H2O
y____y______y___y
Hệ pt:
\(\left\{{}\begin{matrix}81x+80y=14,1\\x+y=0,175\end{matrix}\right.\Rightarrow\left\{{}\begin{matrix}x=0,1\\y=0,075\end{matrix}\right.\)
=>m chất rắn=x=0,1.65+0,075.64=11,3(g)
=>m H2O=y=18(0,1+0,075)=3,15(g)