Formula from Chapter 3: definition Avogadro's constant

\(N_{\mathrm{A}} = \dfrac{N_{\mathrm{particle}}}{n_{\mathrm{particle}}}\)     

\(n_{\mathrm{\ce{CO2}}}\) \(= 2.0\ \mathrm{mol}\)


\(N_{\mathrm{A}}\) \(= 6.022\times 10^{23}\frac{1}{\mathrm{mol}}\)


\(N_{\mathrm{\ce{CO2}}}\) \(= N_{\mathrm{A}} \cdot n_{\mathrm{\ce{CO2}}}\)

\(\ \ \ =6.022\times 10^{23}\frac{1}{\mathrm{mol}} \cdot 2.0\ \mathrm{mol}\)

\(\ \ \ =1.20\times 10^{24}\)