Asked by may

mass of evaporating dish 22.34
mass of evaporating dish +hydrate 24.64
mass of evaporating dish +anhydrous salt 23.85
CuS04XH2O=CuSO4+XH2O
1.determine the mass of the water lost
2.determine the number of moles of the water lost
Answered by DrBob222
24.64g = dish + hydrate
22.34g = dish
---------
2.30g = mass hydrate

24.64g = dish + hydrate
23.85g = dish + anhydrous
----------
0.79g = mass H2O lost

mols = grams/molar mass
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