English, asked by divya4352, 10 months ago

One atom of element X weighs 6.644*10 to the power -23g. Calculate the number of gram atoms in 40 kg of it

Answers

Answered by Anonymous
42

Answer:

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Here is the answer.

weight of 1 atom = 6.644×10^-23 g

so, no. of atoms in 40 kg

= 40×10^3 / 6.644×10^-23

= 6.02046 × 10^26 atoms

As, 1 gram atom = no. atoms in one mole = 6.02×10^23

so, no. of gram atom = 6.02046×10^26/6.02×10^23

=1000 gram atoms

Thanks

Answered by ramya2316
3

Answer

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An atom of some element X weighs 6.644 × 10-23 g. Calculate the number of gram-atoms in 40 kg of it. = 40 × 1000/40 = 1000.

Explanation

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Hope it is helpful for you

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