The given question is incomplete. The complete question is:
Determine how many carbon dioxide molecules are produced if molecules of water are produced
[tex]C_2H_6(g)+O_2 (g)\rightarrow CO2(g)+H_2O(g)[/tex]
Answer: [tex]5.60\times 10^{23}[/tex] molecules of carbon dioxide are produced
Explanation:
The balanced chemical equation is:
[tex]2C_2H_6(g)+7O_2 (g)\rightarrow 4CO2(g)+6H_2O(g)[/tex]
[tex]\text{Moles of water}=\frac{\text{given molecules}}{\text{Avogadros number}}=\frac{8.45\times 10^{23}}{6.023\\times 10^{23}}=1.40moles[/tex]
Accoding to stoichiometry:
6 moles of water are produced along with = 4 moles of carbon dioxide
Thus 1.40 moles of water are produced along with = [tex]\frac{4}{6}\times 1.40=0.93[/tex] moles of carbon dioxide
Molecules of carbon dioxide = [tex]moles\times {\text {Avogadros number}}=0.93\times 6.023\times 10^{23}=5.60\times 10^{23}[/tex]