Question

mass of 1 atom of an element X2 is 6.64×10^_23 gm.molecular weight of of X2​

Answer 1

Answer:

The mass of 6.02×10

23

number of atoms = 6.644××10

−23

×6.02×10

23

= 40 gm /mol (gram atomic mass )

Now the number of gram atoms or moles =

atomicmass

mass(ingm)

=

40

40×10

3

= 10 3

Answer 2

Explanation:

The mass of 6.02×10

23

number of atoms = 6.644××10

−23

×6.02×10

23

= 40 gm /mol (gram atomic mass )

Now the number of gram atoms or moles =

atomicmass

mass(ingm)

=

40

40×10

3

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= 10

3