Physics, 09.01.2021 14:00, tgraveslaylay2743

Mass of 2 x 1021 number of atoms of a element is 0.49. What is the mass of 0.5 mole of a b
element?

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Mass of 2 x 1021 number of atoms of a element is 0.49. What is the mass of 0.5 mole of a b
ele...