Question

Mass of 2multiplied by 10 number of atoms of an element is 0.4 gm.what is the mass of 0.5 mole of an element?

Answer 1

Answer:

1 mol of element = 6 * 10^23 atoms

0.5 mol = 3*10^23 atoms

Mass of 0.5 mol of element = (3*10^23)/(2*10^23) * 0.4g = 0.6g

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