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Old 04-29-2008, 11:22 PM
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urgent Chemistry help ! Please and Thanks!?

I have lab and i'm really confused with the questions.Here is the data:

mass of small container and cover: 29.1 g

Mass of small container, cover and
MgSO4 hydrate: 34.1g

Mass of small container, cover and
anhydrous MgSO4: 31.9g


The mass of anhydrous MgSO4 is 2.5g

How would i calculate the moles anhydrous MgSO4 ???

The mass of the water driven off is 2.5g

How would I calculate the moles of water driven off???
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