At 2068.44kPaa, 37.8 celcius, 0.142 cubic meter of methane have a total mass of 1.82kg. Using avogadro's principle find the mass of carbong dioxide contained in a 0.85cubic meter tank at 2068.44kPaa,37.8 celsius

2 answers

1.82 kg x (0.850/0.142) x (1 mol CO2/1 mol CH4) x (44 g CO2/1 mol CO2) x (1 mol CH4/16 CH4) = ?
why(0.85/0.145) if mx/my = vy/vx...mx = my(0.145/0.85) i have that doubt