The number of moles of H₂O is 0.36 mol.
The number of moles of LiClO₄ is 0.0521 mol.
What are moles?
Mole is an important standard unit used for the measurement of large quantities of atoms, molecules, or other particles. One mole is equal to 6.022×10²³ units.
The number of moles of a substance is calculated by:
Moles =[tex]\frac{mass}{molar \;mass}[/tex]
To find the number of moles of H₂O:
Mass of H₂O in the sample = 6.579 g
The molecular weight of H₂O = 18.02g
Moles = [tex]\frac{mass}{molar \;mass}[/tex]
Moles = [tex]\frac{6.579 g}{18.02g}[/tex]
Moles = 0.36
To find the number of moles of [tex]ZnSO_4[/tex]:
Mass of [tex]ZnSO_4[/tex] in the sample = 8.421 g
The molecular weight of [tex]ZnSO_4[/tex]= 161.47 g/mol
Moles =[tex]\frac{mass}{molar \;mass}[/tex]
Moles = [tex]\frac{8.421 g}{161.47 g/mol}[/tex]
Moles = 0.0521 moles
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