Respuesta :

Answer:

[tex]1 \: mole \: contains \: 6.02 \times {10}^{23} \: molecules \\ 15 \: moles \: contain \: (15 \times 6.02 \times {10}^{23} ) \: molecules \\ = 9.03 \times {10}^{24} \: molecules[/tex]