Concept explainers
Interpretation:
The
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 115A
The number of atoms of silver present in sample is
Explanation of Solution
The mathematical expression for the calculation of number of moles is given by:
Number of moles =
Molar mass of silver = 107.868 g/mole
Mass of silver =
Put the values,
Number of moles =
Number of moles =
Number of moles of silver =
Since, one mole of any substance is equal to the Avogadro number i.e.
Thus, the number of atoms of silver present in sample
=
=
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Glencoe Chemistry: Matter and Change, Student Edition
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