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|| CO2 Carbon Dioxide || 0.0004 || 48 || 2077 ||  || CO2 Carbon Dioxide || 0.0004 || 48 || 2077 ||

CO2

1ppm global CO2 is how many tonnes of carbon?

The mass of the atmosphere is 5.15e18 kg. We will assume mole fraction is proportional to volume fraction

Gas

Mole Fraction

At wt

Mass*e12 kg

N2 Nitrogen

0.7808

28

4054226

O2 Oxygen

0.2095

32

1087808

Ar Argon

0.0093

40

48289

CO2 Carbon Dioxide

0.0004

48

2077

Dry air atomic wt

1.0000

28.9576

5129400

0.9960

28.9576

5129400

H2O Water

0.0040

18

20600

Wet air atomic wt

1.0000

28.9138

5150000

So, 400ppm CO2 is 2077e12 kg, of which 12/44 is carbon

CO2 (last edited 2021-12-01 06:46:05 by KeithLofstrom)