Concept explainers
Interpretation:
The total
Concept introduction:
The number of moles of a compound is defined as the ratio of the 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 119A
Total number of atoms present in mixture =
Explanation of Solution
Number of moles of
Mass of carbon = 1.20 g
Molar mass of iron = 55.845 g/mole
Molar mass of carbon = 12.0107 g/mole
Number of moles of
Since one mole of any substance is equal to the Avogadro number i.e.
Number of moles =
Put the values,
Number of atoms of
Number of moles of
Put the values,
Number of atoms of iron =
Total number of atoms present in mixture = number of atoms of iron + number of atoms of carbon
Total number of atoms present in mixture =
=
Chapter 10 Solutions
Chemistry: Matter and Change
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Chemistry: Structure and Properties
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