Wheel of Moles
Mole is a quantity proportional to the number of elementary entities of a substance.
Since equal volumes of all gases, at the same temperature and pressure, have the same number of molecules according to the Avogadro’s law, molar volumes (22.4 L or dm3) of all gases, at the standard (normal) temperature and pressure (STP/NTP; 00C (or 273 K) & 1 atm respectively), have the same number of molecules (NA = 6.022 x 1023).
The mole concept applies to molecules, ions, ion pairs, atoms, electrons.
Wheel of moles: Click/tap to enlarge the image
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References:
(1) Brown, C.; Ford, M. Higher Level Chemistry, 2nd ed.; Pearson Education: Harlow, Essex, 2014.
(2) Ncert. Chemistry : Textbook for Class XI - Part.I; National Council Of Educational Research And Training: New Delhi.
(3) Wikipedia Contributors. Mole (unit). Wikipedia. https://en.wikipedia.org/wiki/Mole_(unit).
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