2Zn+O2-to>2ZnO
0,05--0,025---0,05
n Zn=0,05 mol
=>=>VO2=0,025.22,4=0,56l
2KClO3-to->2KCl+3O2
1\60------------------------0,025
=>m KClO3=\(\dfrac{1}{60}\).122,5=2,041g
\(n_{Zn}=\dfrac{3,25}{65}=0,05mol\)
\(2Zn+O_2\underrightarrow{t^o}2ZnO\)
0,05 0,025
\(V_{O_2}=0,025\cdot22,4=0,56l\)
\(2KClO_3\underrightarrow{t^o}2KCl+3O_2\)
\(\dfrac{1}{60}\) 0,025
\(m_{KClO_3}=\dfrac{1}{60}\cdot122,5=2,042g\)
a. \(n_{Zn}=\dfrac{3.25}{65}=0,05\left(mol\right)\)
PTHH : 2Zn + O2 -----to---> 2ZnO
0,05 0,025
\(V_{O_2}=0,025.22,4=0,56\left(l\right)\)
b. PTHH : 2KClO3 ----to---> 2KCl + 3O2
\(\dfrac{0.05}{3}\) 0,025
\(m_{KClO_3}=\dfrac{0.05}{3}.122,5=\dfrac{6,125}{3}\left(g\right)\)