Volume Mixing Ratio

% ‰ = ml l-1 = l m-3 ppm = ml m-3 ppb = µl m-3 ppt fl.oz / gal(UK) fl.oz / gal(US) in3 ft-3 in3 yd-3 The results have been rounded to 1234 56 789 significant digits.

The volume mixing ratio (also called the molar mixing ratio) of a gas is the number of moles of the gas divided by the number of moles of air.

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