molar mass of Cu(OH)2 is 97.561 means 1 mole of Cu(OH)2 mass is 97.561
so 1gm of Cu(OH)2 have 1/97.561 moles
by unitary method no of moles in Cu(OH)2 is
9.2*1/97.561=0.094 mole
i hope it helps btw i am from india
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