\(n_{P_2O_5}=\dfrac{7,1}{142}=0,05mol\)
\(4P+5O_2\underrightarrow{t^o}2P_2O_5\)
0,1 0,125 0,05
\(V_{O_2}=0,125\cdot22,4=2,8l\)
\(m_P=0,1\cdot31=3,1g\)
\(n_{P_2O_5}=\dfrac{7,1}{142}=0,05mol\)
\(4P+5O_2\rightarrow\left(t^o\right)2P_2O_5\)
0,1 0,125 0,05 ( mol )
\(V_{O_2}=0,125.22,4=2,8l\)
\(m_P=0,1.31=3,1g\)
\(n_{P_2O_5}=\dfrac{7,1}{142}=0,05\left(mol\right)\)
pthh : \(4P+5O_2-t^o->2P_2O_5\)
0,1 0,125 0,05
=> \(V_{O_2}=0,125.22,4=2,8\left(L\right)\)
=> \(m_P=0,1.31=3,1\left(g\right)\)
a. \(n_{P_2O_5}=\dfrac{7.1}{142}=0,05\left(mol\right)\)
PTHH : 4P + 5O2 ----to---> 2P2O5
0,1 0,125 0,05
\(V_{O_2}=0,125.22,4=2,8\left(l\right)\)
b. \(m_P=0,1.31=3,1\left(g\right)\)
\(n_{P_2O_5}=\dfrac{m}{M}=\dfrac{7,1}{142}=0,05mol\)
\(PTHH:4P+5O_2\underrightarrow{t^o}2P_2O_5\)
\(4:5:2\left(mol\right)\)
\(0,1:0,125:0,05\left(mol\right)\)
\(a,V_{O_2}=n.22,4=0,125.22,4=2,8l\)
\(b,m_P=n.M=0,1.31=3,1g\)