Concept explainers
(a)
Interpretation:
The mass of sodium is to be calculated.
Concept introduction:
A mole is the amount of substance that has
One mole of atom or molecule is equal to
Answer to Problem 22E
The mass of sodium is
Explanation of Solution
The mass of sodium is calculated by the formula shown below.
Where,
•
The value of molar mass of sodium is
Substitute the value of molar mass of sodium in equation (1).
The mass of sodium is
(b)
Interpretation:
The mass of germanium is to be calculated
Concept introduction:
A mole is the amount of substance that has Avogadro’s number of particles
One mole of atom or molecule is equal to
Answer to Problem 22E
The mass of germanium is
Explanation of Solution
The mass of germanium is calculated by the formula shown below.
Where,
•
The value of molar mass of germanium is
Substitute the value of molar mass of germanium in equation (1).
The mass of germanium is
(c)
Interpretation:
The mass of sulfur trioxide is to be calculated.
Concept introduction:
A mole is the amount of substance that has Avogadro’s number of particles
One mole of atom or molecule is equal to
Answer to Problem 22E
The mass of sulfur trioxide is
Explanation of Solution
The mass of sulfur trioxide is calculated by the formula shown below.
Where,
•
The value of molar mass of sulfur trioxide is
Substitute the value of molar mass of sulfur trioxide in equation (1).
The mass of sulfur trioxide is
(d)
Interpretation:
The mass of nitric oxide is to be calculated.
Concept introduction:
A mole is the amount of substance that has Avogadro’s number of particles
One mole of an atom or molecule is equal to
Answer to Problem 22E
The mass of nitric oxide is
Explanation of Solution
The mass of nitric oxide is calculated by the formula shown below.
Where,
•
The value of molar mass of nitric oxide is
Substitute the value of molar mass of nitric oxide in equation (1).
The mass of nitric oxide is
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Chapter 8 Solutions
EP INTRODUCTORY CHEM.-MOD.MASTERINGCHEM
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