Concept explainers
(a)
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 c
Answer to Problem 113A
Number of atoms of
Explanation of Solution
Mass of
Number of moles =
Molar mass of
Put the values,
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
(b)
Interpretation:
The number of atoms of 0.0340 g of Zn should be calculated.
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 113A
Number of atoms of
Explanation of Solution
Mass of
Number of moles =
Molar mass of
Put the values,
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
(c)
Interpretation:
The number of atoms of 150 g of
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 Avogadro number, i.e.,
Answer to Problem 113A
Number of atoms of
Explanation of Solution
Mass of
Number of moles =
Molar mass of
Put the values,
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
(d)
Interpretation:
The number of atoms of 0.124 g of
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 Avogadro number, i.e.,
Answer to Problem 113A
Number of atoms of
Explanation of Solution
Mass of
Number of moles =
Molar mass of
Put the values,
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
Chapter 10 Solutions
Chemistry: Matter and Change
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