The mass of one atom of an element 'A' is 2.65*10-23 g. Calculate its atomic mass and name the element.
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The mass of one atom of an element A = 2.65X10-23 g
We know the 1 mole of an atom = 6.023 x 1023 atoms
1 mole of an atom = its atomic mass
Mass of one atom of an element A = 2.65X10-23 g
Mass of 6.023 x 1023 atoms of an element A = 2.65X10-23 X6.023 x 1023
= 15.69 g
The element is oxygen
We know the 1 mole of an atom = 6.023 x 1023 atoms
1 mole of an atom = its atomic mass
Mass of one atom of an element A = 2.65X10-23 g
Mass of 6.023 x 1023 atoms of an element A = 2.65X10-23 X6.023 x 1023
= 15.69 g
The element is oxygen
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