2C6H14 + 19O2 (yields) 12CO2 + 14H20
a) What mass of oxygen is required to react completely with 25.0g of C6H14?
For this I did g C6H14 -> moles C6H14 -> moles O2 -> g O2. Hopefully I set this up right!
b) What mass of carbon dioxide can be produced from 25.0 g of C6H14 and excess oxygen?