There are 4.78 g of dry LICIO4 and
2.43 g H₂O in the sample.

Step 2: Determine the moles of water and anhydrous compound.

Li = 6.94 g/mol, Cl = 35.45 g/mol,
H = 1.01 g/mol, O = 16.00 g/mol
How many moles of LICIO4 are present?

[?] mol LICIO4

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:

[tex]\frac{mass of substance}{molecular weight of substance}[/tex]

To find the number of moles of H₂O:

Mass of H₂O in the sample = 2.43g

The molecular weight of H₂O = 18.02g

Number of moles = [tex]\frac{2.43}{18.02}[/tex] = 0.135 mol.

To find the number of moles of LiClO₄:

Mass of LiClO₄ given = 4.78g

The molecular weight of LiClO₄ = 106.39g

Number of moles = [tex]\frac{4.78}{106.39}[/tex] = 0.0449 mol.

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There are 4.78 g of dry LICIO4 and 2.43 g H₂O in the sample. Step 2: Determine the moles of water and anhydrous compound. Li = 6.94 g/mol, Cl = 35.45 g/mol, H = 1.01 g/mol, O = 16.00 g/mol How many moles of LICIO4 are present? [?] mol LICIO4

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There are 4.78 g of dry LICIO4 and
2.43 g H₂O in the sample.

Step 2: Determine the moles of water and anhydrous compound.

Li = 6.94 g/mol, Cl = 35.45 g/mol,
H = 1.01 g/mol, O = 16.00 g/mol
How many moles of LICIO4 are present?

[?] mol LICIO4