Concept explainers
(a)
Interpretation:
The moles of
Concept introduction:
The SI unit for amount of substance is
The amount of an element can be calculated from the given amount of compound and the moles of that element present in one mole of compound. The molecular formula of the compound tells the number of atoms of each element. The road map to calculate the moles of an element in a compound is as follows:
The expression to calculate the amount of an element in a compound is as follows:
(b)
Interpretation:
The number of
Concept introduction:
The SI unit for amount of substance is
The number of an atom of an element can be calculated from the given amount of compound, the moles of that element present in one mole of the compound and the Avogadro’ number.
The road map to calculate the number of atoms of an element in a compound is as follows:
The expression to calculate the number of atoms of an element in a compound is as follows:
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