Question

One atom of an element X weighs 6.644 x 10-23 g.
Calculate the number of gram atoms in 80 kg of it.​
please tell fast

Answer 1

Answer:

1999.5 or u can say 2000

Explanation:

lets say if one atom weighs 6.644x10^-23 then n atom weighs 80000 grams

so find n....

n = 80000/6.644x10^-23

gram atom refers to mole... i.e 6.022 x 10^23 so to find no of gram atoms divide n by 6.022x10^23

it will come out to be 1999.5

i hope it helped you....

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Answer 2

Explanation:

ur answer is in pic..

please check it once because it can be wrong but chances are only 2 %

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