Concept explainers
(a)
Interpretation: The mass percentage of cation with the use of overall molar mass of ammonium chloride needs to be determined.
Concept Introduction: Mass percentage is the way to calculate the percentage of each element in the given molecular compounds. The mathematical expression of mass percentage can be shown as:
(a)
Answer to Problem 31A
Mass percentage of cation = 39.2 %
Explanation of Solution
Cation in ammonium chloride =
Molar mass of
Molar mass of
Substitute the values to calculate mass percentage of cation:
(b)
Interpretation: The mass percentage of cation with the use of overall molar mass of copper (II) sulphate needs to be determined.
Concept Introduction: Mass percentage is the way to calculate the percentage of each element in the given molecular compounds. The mathematical expression of mass percentage can be shown as:
(b)
Answer to Problem 31A
Mass percentage of cation = 39.8 %
Explanation of Solution
Cation in copper sulphate =
Molar mass of
Molar mass of
Substitute the values to calculate mass percentage of cation:
(c)
Interpretation: The mass percentage of cation with the use of overall molar mass of gold (III) chloride needs to be determined.
Concept Introduction: Mass percentage is the way to calculate the percentage of each element in the given molecular compounds. The mathematical expression of mass percentage can be shown as:
(c)
Answer to Problem 31A
Mass percentage of cation = 64.9 %
Explanation of Solution
Cation in gold (III) chloride=
Molar mass of
Molar mass of
Substitute the values to calculate mass percentage of cation:
(d)
Interpretation: The mass percentage of cation with the use of overall molar mass of silver nitrate needs to be determined.
Concept Introduction: Mass percentage is the way to calculate the percentage of each element in the given molecular compounds. The mathematical expression of mass percentage can be shown as:
(d)
Answer to Problem 31A
Mass percentage of cation = 63.6 %
Explanation of Solution
Cation in silver nitrate =
Molar mass of
Molar mass of
Substitute the values to calculate mass percentage of cation:
Chapter 6 Solutions
World of Chemistry, 3rd edition
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