Question

When 2.40 moles of tricarbon octahydride are combusted, how many grams of water and carbon dioxide are formed?

Answer 1

Answer on Question #56562 – Chemistry - Other

Question:

When 2.40 moles of tricarbon octahydride are combusted, how many grams of water and carbon dioxide are formed?

Answer:

$$\mathrm{C_3H_8} + 5\mathrm{O_2} = 4\mathrm{H_2O} + 3\mathrm{CO_2}$$ $$v = \frac{m}{M}$$ $$M(\mathrm{H_2O}) = 18.01\ \mathrm{g/mol}$$ $$M(\mathrm{CO_2}) = 43.99\ \mathrm{g/mol}$$ $$v(\mathrm{H_2O}) = 4 \cdot v(\mathrm{C_3H_8})$$ $$m(\mathrm{H_2O}) = vM = 2.40 \cdot 4 \cdot 18.01 = 172.89\ \mathrm{g}$$ $$v(\mathrm{CO_2}) = 3 \cdot v(\mathrm{C_3H_8})$$ $$m(\mathrm{CO_2}) = vM = 2.40 \cdot 3 \cdot 43.99 = 316.73\ \mathrm{g}$$

www.AssignmentExpert.com