Define molecular mass and mole concept
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the ,mass of atom in 1 mol = molecular mass[atomic mass of atom]
1 mole =6.022×10∧23
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Molecular mass definition is - the mass of a molecule that is equal to the sum of the masses of all the atoms contained in the molecule.
The molecular masses of hydrogen, nitrogen, and oxygen are 2, 42, and 32, respectively.
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