Concept explainers
(a)
Interpretation:
Mass of carbon in
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 a 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:
(b)
Interpretation:
Mass of lead in
Concept Introduction:
Refer to part (a).
(c)
Interpretation:
Mass of oxygen in
Concept Introduction:
Refer to part (a).
(d)
Interpretation:
Mass of hydrogen in
Concept Introduction:
Refer to part (a).
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