Concept explainers
Interpretation:
Whether a mole of silver atoms or a mole of gold atoms contains more atoms should be determined with explanation.
Concept introduction:
Number of moles of a compound is defined as the ratio of given mass of the compound to the molar or molecular mass of the compound.
The mathematical expression is given by:
Number of moles =
The one mole of any substance is equal to the
Answer to Problem 103A
Number of both gold atoms and silver atoms is same as the number of moles of both atoms is same.
Explanation of Solution
Since, one mole of any substance is equal to the Avogadro number i.e.
Number of moles of silver atoms = 1 mole
Number of moles of gold atoms = 1 mole
Number of molecules =
Thus, number of silver atoms present in one mole
=
Number of gold atoms present in one mole
=
Therefore, number of both gold atoms and silver atoms is same as number of moles of both atoms is same.
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Glencoe Chemistry: Matter and Change, Student Edition
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