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[tex]\boxed{\begin{array}{l}\sf c\acute alculo~da~massa~molar:\\\sf CO_2=12+4\cdot16=12+64=76~g/mol\\\sf 76~g\longrightarrow 6,02\cdot10^{23}\\\sf 220~g\longrightarrow x\\\sf 76\cdot x=6,02\cdot10^{23}\cdot220\\\sf 76x=1324,4\cdot10^{23}\\\sf x=\dfrac{1324,4\cdot10^{23}}{76}\\\sf x=17,42\cdot10^{23}\\\sf x=1,742\cdot10^{24}~mol\acute eculas\end{array}}[/tex]
