\(n_P=\dfrac{0,62}{31}=0,02\left(mol\right)\\ 4P+5O_2\rightarrow\left(t^o\right)2P_2O_5\\ n_{P_2O_5}=\dfrac{2}{4}.0,02=0,01\left(mol\right);n_{O_2}=\dfrac{5}{4}.0,02=0,025\left(mol\right)\\ V_{O_2\left(đkc\right)}=0,025.24,79=0,61975\left(l\right)\\ m_{P_2O_5}=142.0,01=1,42\left(g\right)\)
\(n_P=\dfrac{m}{M}=\dfrac{0,62}{31}=0,02mol\)
PTHH: \(4P+5O_2\underrightarrow{t^o}2P_2O_5\)
4 5 2 ( mol )
0,02 0,025 0,01 ( mol )
\(V_{O_2}=n_{O_2}.22,4=0,025.22,4=0,56l\)
\(m_{P_2O_5}=n_{P_2O_5}.M_{P_2O_5}=0,01.142=1,42g\)
