Question

define mole.? ..please answer.please ​

Answer 1

Answer:

The mole is the unit of amount in chemistry. ... A mole of a substance is defined as: The mass of substance containing the same number of fundamental units as there are atoms in exactly 12.000 g of 12C. Fundamental units may be atoms, molecules, or formula units, depending on the substance concerned.

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Answer 2

Answer:

$number \: of \: moles = \frac{given \: mass}{mlecular \: mass}$