a) write the chemical formula of hydrated copper sulphate and anhydrous copper sulphate. Giving an activity illustrate how these are inter convertible. (b) write chemical names and formula of plaster of paris and gypsum.
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a) hydrated copper sulphate =CuSO4 (white colour)
anhydrous copper sulphate =CuSO4.5H2O(blue colour)
anhydrous copper sulphate change into hydrous copper sulphate in presence of water vapour and hydrated copper sulphate change in copper sulphate when heated
B) chemical name of plaster of Paris is calcium sulphate hemihydrate formula CaSO4.1/2h20
gypsum = CaSO4.2h2O - chemical name calcium sulphate dihydrate
anhydrous copper sulphate =CuSO4.5H2O(blue colour)
anhydrous copper sulphate change into hydrous copper sulphate in presence of water vapour and hydrated copper sulphate change in copper sulphate when heated
B) chemical name of plaster of Paris is calcium sulphate hemihydrate formula CaSO4.1/2h20
gypsum = CaSO4.2h2O - chemical name calcium sulphate dihydrate
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Explanation:
a. CuSO4.5H2O is hydrated copper sulphate.
CuSO4 is anhydrous copper sulphate.
b.
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