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A mole is defined as a substance’s mass that comprises an equal quantity of basic units. The unit of the mole is denoted by mol.
One mole of any substance is typically equal to the value of Avogadro Number, i.e., 6.023 X 1023
Coming to calculating the moles in chemistry, let us take an example to get a clear idea.
Number of moles = Mass of a substance / Mass of one mole
Given that, mass of MnO2 = 95 g
And the Mass of one mole MnO2 = 86.94 g
The number of moles can be calculated as
The number of moles = Mass of a substance/ Mass of one mole
Putting the values,
Therefore, Number of moles = 95/ 86.94 = 1.092 mol
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