PT: \(3Fe+2O_2\underrightarrow{t^o}Fe_3O_4\)
_____0,9___0,6______0,3 (mol)
a, \(V_{O_2}=0,6.22,4=13,44\left(l\right)\)
b, \(m_{Fe}=0,9.56=50,4\left(g\right)\)
c, \(V_{kk}=\dfrac{V_{O_2}}{20\%}=67,2\left(l\right)\)
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