analysis and determining DQ, which situation is often the most difficult to evaluate from both an ... meanswith 100.0 g of oxygen?A) 40.0 gB) 44.0 gC) 88.0 gD) 112.0 gC40) The observation that 20 g of ... hydrogen gas always combines with 160 g of oxygen gas to form 180 g of water, even when there is more