In atmospheric chemistry, mixing ratio usually refers to the mole ratio, which is defined as the amount of a constituent divided by the total amount of all other constituents in a mixture:
The mole ratio is also called amount ratio.
If is much smaller than (which is the case for atmospheric trace constituents), the mole ratio is almost identical to the mole fraction.
Read more about this topic: Mixing Ratio
Famous quotes containing the words mole and/or ratio:
“On her left breast
A mole cinque-spotted, like the crimson drops
I’ th’ bottom of a cowslip.”
—William Shakespeare (1564–1616)
“Official dignity tends to increase in inverse ratio to the importance of the country in which the office is held.”
—Aldous Huxley (1894–1963)