4P+5O2-to>2P2O5
0,1--0,125-----------0,05
nP=3,1\31=0,1 mol
nP2O5=0,05.142=7,1g
=>Vkk=0,125.22,4.5=14l
a) \(n_P=\frac{3,1}{31}=0,1\left(mol\right)\)
\(PTHH:4P+5O_2\underrightarrow{t^o}2P_2O_5\)
\(\left(mol\right)\)___\(0,1\)__\(0,125\)___\(0,05\)
b) \(m_{P_2O_5}=0,05.142=7,1\left(g\right)\)
c) \(V_{O_2}=0,125.22,4=2,8\left(l\right)\)
\(V_{kk}=5.2,8=14\left(l\right)\)