Đặt CTHH: CxHyOz
\(m_D=\frac{\left(16.2\right).100}{56,33}=60\left(\frac{g}{mol}\right)\)
\(m_C=\frac{60.40}{100}=24\left(g\right)\)
\(n_C=\frac{24}{12}=2\left(mol\right)\)
\(m_H=60-\left(24+32\right)=4\left(g\right)\)
\(n_H=\frac{4}{1}=4\left(mol\right)\)
CTHH của D: C2H4O2