February 26, 2017

Homework Help: chemistry

Posted by Janaiby on Monday, July 15, 2013 at 5:11pm.

If a 8.6195 g of a mixture which contains (20.0 % of CuSO4.XH2O and 80.0 % of sand) was heated in
a crucible then cooled in the desiccator the mass obtained was 7.9976 g.
a- Find X the number of water of hydration in the Hydrate (CuSO4.XH2O)
(MM of CuSO4 = 159.5 g/mol and MM of H2O = 18.00 g/mol).

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