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July 5, 2015

Homework Help: Chemistry

Posted by Christian on Sunday, August 2, 2009 at 7:48pm.

What percent by mass does the water constitute in Na2SO4*10H2O?

Determine the formula for the hydrate of cobalt (II) acetate from the following data.
Mass of crucible and lid= 28.945g
Mass of crucible, lid, and hydrate= 29.986g
Mass of crucuble, lid, and anhydrous salt= 29.677g
Mass of crucible, lid, and anhydrous salt(2nd)= 29.673g

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