Mole IIT

I have applied for the IIT JEE mains entrance exam . Will you please provide the information regarding the topic of Mole concepts?

Here I am providing the information about the topic of Mole concepts of IIT JEE mains entrance exam which you are looking for .

A mole is the amount of substance that contains as many species [Atoms,molecules, ions or other
particles] as there are atoms in exactly 12 gmof C-12.
species 1 23 10 6.022 mole

2.1Atomicmass

Atomicmass of an element can be defined as the numberwhich indicates howmanytimes themass of
one atomof the element is heavier in comparison to 12th part of themass of one atomof Carbon-12.

Atomicmass =12 - carbon of atom an of Mass [12
1] element the of atom an of Mass [amu 1
amu in atom an of Mass

2.2Atomicmass unit (amu) orUnifiedmass (u)
The quantity [121 ×mass of an atomofC–12] is known as atomicmass unit.

The actualmass of one atom of C-12 = 1.9924 × 10–26kg
1 amu = kg

10 9924 . 1 26 = 1.66 × 10–27 kg = 1.66 × 10–24 gm

2.3Gramatomicmass
The gramatomicmass can be defined as themass of 1mole atoms of an element.

IIT JEE mains entrance exam mole concepts








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