Question

calculate the mass of 1 atom of Hydrogen atom

Answer 1

1g of H=6.022 ×10^23 atom
=>1 atom = 1/(6.022×10^23) g
=>1 atom= 0.166057788×10^(-23) g
=> 1.66 ×10^(-24) g

Answer 2

Given:

Number of atoms of hydrogen = 1

To find:

Mass of 1 atom of Hydrogen atom

Solution:

The mass of 1 mole of hydrogen = 1g

1 mole of substance contain 6.022 × $10^{23}$ atoms.

Thus 1 mole of hydrogen contains =6.022 × $10^{23}$

∴ Mass of 6.022 × $10^{23}$ atoms of hydrogen = 1 g

As mass of 6.022 × $10^{23}$ atoms of hydrogen is 1g, therefore mass of one atom of hydrogen is:

Mass of 1 atom of hydrogen = $\frac{1}{6.022\times10^{23}} = 1.66058\times10^{-24}$g

Conclusion:

Thus the mass of 1 atom of hydrogen atom is 1.66058×$10^{-24}$g.

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