How many moles are present in 34 grams of Cu(OH)_2?

2 Answers
anor277
Feb 18, 2016

Approx. 1/3 of a mole.

Explanation:

"Moles of" Cu(OH)_2 = (34*cancelg)/(97.6*cancelg*mol^-1) = ??" moles".

How many formula units of Cu(OH)_2 are in this quantity?

Ayako_Sho
Feb 18, 2016

There are 0.348 moles in 34 grams of Cu(OH)_2

Explanation:

Number of moles = Mass//Molar Mass
Molar mass of Cu(OH)_2
Cu - 63.55
O - 2(16)
H - 2(1.01)
= 97.57g/mol
Thus
34//97.57
= 0.348
Thus, there are 0.348 moles in 34 grams of Cu(OH)_2

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