Question

Weight of one atom of an element is 6.64 into 10 raise to minus 23 and the gram atom of element in 40 kg is

Answer 1

HEYA!!!


HERE IS YOUR ANSWER,


=> Mass of 1 atom = 6.664 x 10^(-23) gm

=> 1 Gram atom = mass of 1 mole atoms = (6.023 x 10^23) x (mass of one atom)

=> 6.023 x 1023 x 6.664 x 10^-23 = 40.13 gm

=> 0.004 kg

So,

=> Number of gram atoms in 40 kg = 1000.


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Answer 2

1 Gram atom = mass of 1 mole atoms = 6.023x 1023 x mass of only an atom .
= 6.023 x 10 23 x6.664 x 10 -23= 40.13 gm = 0.004 kg.
so, Number of gram atoms in 40 kg = 1000q