How many moles of #CO_2# form when 58.0 g of butane, #C_4H_10#, burn in oxygen?
Always start with a balanced equation.
Determine the molar mass of butane.
Molar Mass of
Determine the Mole Ratios for Butane and Carbon dioxide
Divide the given mass of butane by its molar mass (multiply by its reciprocal). This will give the moles of butane. Multiply times the molar ratio that places carbon dioxide in the numerator. This will give the moles of carbon dioxide.