Concept explainers
(a)
Interpretation: To calculate the molar mass of
Concept Introduction:
Molar mass is the sum of
(b)
Interpretation: To calculate the moles in 25.0 g of Dipyrithione.
Concept Introduction:
Relation between moles and mass is as follows:
Here, m is mass in grams and M is molar mass in g/mol.
(c)
Interpretation: To calculate the moles of C in 25.0 g of Dipyrithione.
Concept Introduction:
Relation between moles and mass is as follows:
Here, m is mass in grams and M is molar mass in g/mol.
One mole of any substance contains 6.023× 1023number of atoms/molecules.
(d)
Interpretation: To calculate moles of dipyrithione containing 8.2×1024number of N-atoms.
Concept Introduction:
- Relation between moles and mass:
- Relation between moles and number of molecules:
One mole of any substance contains 6.023× 1023number of atoms/molecules.
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