Please help!! 1) Find the volume of 28 g CO2 at STP? 2) Using your answer in #1 determine the density of carbon dioxide. 3) In the combustion reaction of methane gas : CH4 (g) + ( g) CO2 (g) + 2 H2O (g) 4.0 * 10 exp 23 molecules of CH4 was used. Determine (a ) the moles of CO2 produced b) using your answer in ( a), calculate the volume of CO2 produced at STP c ) the volume of oxygen used in the reaction at STP