Science, asked by abhav1eenaChattop, 1 year ago

Calculate the mass of 1 atom of silver and 1 molecule of carbon dioxide.

Answers

Answered by aqibkincsem
21
To calculate the atomic mass, the mass should be multiplied by its natural abundance.

Now one atom of silver (Ag) = is 107.8682 u, (where u = 1.66x10–27kg)

Now, divide it by Avogadro i.e. numbers of atoms or molecules present in a substance

Thus, atomic weight of Avogadro is 6.02 x 10^23

Therefore, atomic mass of silver is 107.87/6.02 x 10^23 = 1.792 x 10^-22g

Mass of 1 molecule of carbon- di -oxide (co2) is =

 As stated earlier,

No. Of moles =No. of molecules /Avogadro number

No. Of moles = 1/6.022 x 10^23.

Mass=No. of moles x molecular weight of CO2

Molecular weight of CO2 = (1x12+2x16)

 As atomic mass of carbon and oxygen are 12&16 respectively 12+32=44

Mass=1/6.022x10^23 x 44

Mass =7.3065 x10^23gm
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