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Veronica Tanner
14 December, 06:19
What is the atomic mass of one mole of O?
g/mole
+4
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2
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Susan Cortez
14 December, 08:46
0
16.00 g/mole
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Adeline Mcintyre
14 December, 09:59
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16.00 g
Explanation:
To answer this question we need to understand the relationship between the atomic weight of an element and the molar mass. That is, the molar mass of an atom in grams is always equal to the atomic weight of the same atom.
in this case;
We can show that the molar mass of an atom is equivalent to the atomic weight of the atom.
Atomic weight of Oxygen atom = 16.00 a. m. u
But;
1 mole of Oxygen = 6.022 * 10^23 atoms
Since;
1 a. m. u = 1.661 * 10^-24 g
Therefore;
Mass of oxygen atom = 16.00 a. m. u per atom * 1.661 * 10^-24 g per a. m. u
= 2.657 * 10^-24 g
But, 1 mole of Oxygen atom = 6.022 * 10^23 atoms
Therefore;
Mass of 1 mole of Oxygen atom = 2.657 * 10^-24 g * 6.022 * 10^23 atoms per mole
= 16.00 g
Therefore;
The molar mass of an oxygen atom is 16.00 g
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