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Elements and Compounds

How many moles are in 68 grams of copperII hydroxide?

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April 25, 2009 7:14PM

For this you need the atomic (molecular) mass of Cu(OH)2. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel. Cu(OH)2=99.5 grams

68.0 grams Cu(OH)2 / 99.5 grams = .683 moles Cu(OH)2