Question

The mass of an atom of
element (X) is 2.0 x10-23 g.​

Answer 1

Answer:

Here is ur Answer

Explanation:

1 mole of a substance consists of 6.022 × 1023 atoms; therefore, the mass of an atom of a substance is equal to the mass of 6.022 × 1023 atoms. Therefore, to calculate the atomic mass of element X, we need to calculate the mass of 6.022 × 1023 atoms of X. Hence, the atomic mass of element X is 12 u.

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Answer 2

Mass of 1 atom = 2 * 10-23g

Mass of 1 mole of atom = ( 2 × 10-²³ ) * ( 6.023×10²³) = 12.046 g

So atomic mass of element = 12.046g

Element would be = Carbon ( C )

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