Concept explainers
(a)
Interpretation:
Mass
Concept Introduction:
Mole is S.I. unit. The number of moles is calculated as ratio of mass of compound to molar mass of compound.
Molar mass is sum of the total mass in grams of all atoms that make up mole of particular molecule that is mass of 1 mole of compound. The S.I unit is
The expression to relate number of moles, mass and molar mass of compound is as follows:
Mass percent is calculated by the mass of the element divided by the mass of compound and multiplied by 100.
The formula to calculate mass percentage of substance is as follows:
(a)
Answer to Problem 11.6P
Mass
Explanation of Solution
The compound is
The formula to calculate mass
Substitute
Therefore, mass
The formula to calculate mass
Substitute
Therefore, mass
The formula to calculate mass
Substitute
Therefore, mass
(b)
Interpretation:
Mass
Concept Introduction:
Refer to part (a).
(b)
Answer to Problem 11.6P
Mass
Explanation of Solution
The compound is
Molar mass of
The formula to calculate mass
Substitute
Therefore, mass
The formula to calculate mass
Substitute
Therefore, mass
(c)
Interpretation:
Mass
Concept Introduction:
Refer to part (a)
(c)
Answer to Problem 11.6P
Mass
Explanation of Solution
The compound is
The formula to calculate mass
Substitute
Therefore, mass
There are 2
Molar mass of
The formula to calculate mass
Substitute
Therefore, mass
(d)
Interpretation:
Mass
Concept Introduction:
Refer to part (a).
(d)
Answer to Problem 11.6P
Mass
Explanation of Solution
The compound is
Molar mass of
The formula to calculate mass
Substitute
Therefore, mass
The formula to calculate mass
Substitute
Therefore, mass
The formula to calculate mass
Substitute
Therefore, mass
The formula to calculate mass
Substitute
Therefore, mass
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