so the correct term is 3 kg of gas[liquid] not liters...only pure H20 is 1 kg = 1 liter.


FYI Liquid density of CO2 is (at -20 °C (or -4 °F) and 19.7 bar) : 1032 kg/m3 so it's close.
excuse me, just being anal-ytical. haha.

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