Question

23 gram of sodium and 238 gram of uranium have equal number of atoms why ?
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Answer 1

Answer:

Here is your answer-

because the atomic mass of sodium is 23 so when u calculate number of moles of 23g sodium is equal to 1 mole and when we multiply it with avogardo number we get answer 6.02×1023

same as uranium because the mass and given mass is same so the number of atoms of both will be same

Explanation:

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Answer 2

Answer:

Bcuz sodium atomic mass is 23, therefore 1 mole of sodium 23g and 1 mole has 6.022 x 10^23 atoms..

Similarly, Uranium has atomic mass 238 and hence one mole of Uranium has 6.022 x 20^23 atoms.

which is same as sodium