
Concept explainers
(a)
Interpretation:
The compound having the greatest total mass out of
Concept Introduction:
The mass of all the atoms that are present in a chemical formula is termed as Molar mass. It is equal to sum of the
(a)

Answer to Problem 7E
Explanation of Solution
CuO is a compound made up of one copper atom and one oxygen atoms thus, the molar mass of CuO is calculated as follows:
CuCO3 is a compound made up of one copper, one carbon atom and three oxygen atoms thus, the molar mass of CuCO3 is calculated as follows:
Cu2O is a compound made up of 2 copper atom, and one oxygen atoms thus, the molar mass of Cu2O is calculated as follows:
Thus,
(b)
Interpretation:
The compound having greatest mass of copper out of
Concept Introduction:
The mass of all the atoms that are present in a chemical formula is termed as Molar mass. It is equal to sum of atomic masses of the atoms that are present in a formula of a compound.
(b)

Answer to Problem 7E
Explanation of Solution
CuO is a compound made up of one copper atom and one oxygen atoms thus, the mass of Cu is calculated as follows:
CuCO3 is a compound made up of one copper, one carbon atom and three oxygen atoms thus, the molar mass of Cu in CuCO3 is calculated as follows:
Cu2O is a compound made up of 2 copper atom, and one oxygen atoms thus, the molar mass of Cu in Cu2O is calculated as follows:
Thus,
(c)
Interpretation:
The compound representing best deal for the compound should be predicted.
Concept Introduction:
The mass of the atoms that are present in the chemical formula is termed as Molar mass. It is equal to sum of atomic masses of the atoms that are present in a formula of a compound.
(c)

Answer to Problem 7E
Explanation of Solution
The mass of copper in
Chapter U4 Solutions
Living by Chemistry
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