Maciej Butkiewicz
Maciej Butkiewicz voted up John McCann's answer
An automobile gasoline tank holds 21 kg of gasoline. When the gasoline burns, 82 kg of oxygen is consumed and carbon dioxide and water are produced.What is the total combined mass of carbon dioxide and water that is produced?

Your balanced equation. ( standard for this type problem )

2C8H18 + 25O2 → 16CO2 + 18H2O

------We work in grams because that is what is on my periodic table.

21 kg gasoline = 21,000 grams

82 kg oxygen = 82,000 grams

------get moles of reactants

21,000 grams gasoline (1 mole/114.224 g) = 183.85 moles gasoline

82,000 g oxygen (1 mole O2/32 … Read more

Maciej Butkiewicz
Maciej Butkiewicz voted up Anonymous' answer
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Maciej Butkiewicz
Maciej Butkiewicz voted up elizabeth murray's answer
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