Question

The mass of a single atom of an element X is 2.65 ×^-23 g.What is the atomic mass?

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Answer 1

Answer:

ANSWER

The mass of one atom of an element A = 2.65×10

−23

g

We know that 1 mole of an atom = 6.023×10

23

atoms

1 mole of an atom = its atomic weight

Mass of one atom of an element = 2.65×10

−23

g

Mass of 6.023×10

23

atoms of an element A = 2.65×10

−23

×6.023×10

23

g =15.69g

Thus the element is oxygen.

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