[trinhn812]

Natural gas is a mixture of hydrocarbons, primarily methane (CH4) and ethane (C2H6). A typical mixture might have Χmethane = 0.915 and Χethane = 0.085.
a. What are the partial pressures of the two gases in a 15.00-L container of natural gas at 20.°C and 1.44 atm?

b. Assuming complete combustion of both gases in the natural gas sample, what is the total mass of water formed?


For part A. I multipied the total pressure by the mole ratio
For Part B. I plugged in the calculated partial pressure into the PV=nRT equation
that gives me the mol but i was wondering if the mol of water is 1/1 for each compound?

[enahs]

What are the balanced equation for Methane and Ethane reacting O2?
Is it 1:1, for both? neither?

[IITian]

The balanced chemical reaction for any alkane with O₂ is as under-


C_nH_2n+2 + (3n+1)/2 O₂ = nCO₂ + (n+1)H₂O