Amount of moles in 3.34x10^34 formula units of Cu (OH) 2

The amount of moles in 3.34 x10³⁴ formula unit of Cu (OH) ₂ is 5.55 * 10¹⁰ moles

calculation

The amount of moles is calculated using the Avogadro's law constant

That is 1 moles = 6.02 * 10²³ formula units

? moles = 3.34 * 10³⁴ formula units

by cross multiplication

= {1 mole * 3.34 * 10³⁴ formula units ] / 6.02 * 10²³ formula units} = 5.55 * 10¹⁰ moles