Define one mole. Illustrate its relationship with Avogadro constant.
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Answer:
One mole is defined as the amount of substance containing as many elementary entities (atoms, molecules, ions, electrons, radicals, etc.) as there are atoms in 12 grams of carbon-12 (6.023 x 1023). The mass of one mole of a substance equals its relative molecular mass expressed in grams
One mole can be defined as the unit amount of a chemical substance that contains as many atoms/molecules/ions/electrons/radicals, etc, as there are atoms in 12 grams of C-12 (6.023 x 10^23).
The fixed number of particles in 1 mole of any substance has a value of 6.022 x 10^23. This is also referred to as Avogadro constant.1 mole is defined as the no: of particles present in Avogadro no: of particles.
It is related to Avogadro no : in the following way.
Avogadro no: = 6.022 × 10²³
1 mole of (any substance ) = has 6.022× 10²³ particles
The particles can be anything - it can be molecules , ions, or atoms
1 moles of any substance has 6.022× 10²³ atoms
1 moles of any substance has 6.022× 10²³ molecules
1 moles of any substance has 6.022× 10²³ ions
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