Butane gas is compressed and used as a liquid fuel in disposable cigarette lighters and lightweight camping stoves . Suppose a lighter contains 7.56 mL of butane (density = 0.579g/mL)
a. How many grams of oxygen needed to burn the butane completely ?
b. How many moles of water form when all the butane burns ?
c.How many total molecules of gas form when the butane burns completely ?