\(KLT_{1đvC}=\frac{1}{12}\times1,9926\times10^{-23}=0,16605\times10^{-23}\left(g\right)=1,6605\times10^{-21}\left(mg\right)\)
\(KLT_{H_2SO_4}=1,6605\times10^{-21}\times98=162,729\times10^{-21}\left(mg\right)\)
\(KLT_{MgCO_3}=1,6605\times10^{-21}\times84=139,482\times10^{-21}\left(mg\right)\)
Khối lượng thực 2 phân tử MgCO3 là: \(2\times139,482\times10^{-21}=278,964\times10^{-21}\left(mg\right)\)
\(KLT_{SiO_2}=1,6605\times10^{-21}\times60=99,63\times10^{-21}\left(mg\right)\)
Khối lượng thực 5 phân tử SiO2 là:
\(5\times99,63\times10^{-21}=498,15\times10^{-21}\left(mg\right)\)