Question

Write the number of moles present in na are there is 100 gm na

Answer 1

Answer: no. Of moles =given mass / atomic maas

=100/22.98

=4.35moles

Answer 2

Answer:

1 mole = Gram atomic mass or gram molecular mass.

1 mole Na = 23 gm

or 23 gm Na = 1 mole

100 gm Na = 1/23 x 100

= 4.35 mole

Ans: 100 gm Na is equal to 4.35 moles.