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CaCl2
Calcium chloride is a water absorbant.
It's cheap and it works.
Anhydrous calcium chloride
Anhydrous calcium chloride (CaCl2) is extremely hygroscopic, meaning it readily adsorbs water or moisture from the surroundings. Therefore, calcium chloride is commonly used as a dessicant.
CaCl2
Calcium chloride is a water absorbant.
The nail would not go rusty because it was kept dry and the anhydrous calcium chloride removed the moisture from the air
Calcium chloride has the formula CaCl2 if anhydrous. Potassium phosphate has the formula K3PO4.
2NH4Cl + CaO --> 2NH3 + CaCl2 + H2O
It's cheap and it works.
Anhydrous calcium chloride
Anhydrous calcium chloride (CaCl2) is extremely hygroscopic, meaning it readily adsorbs water or moisture from the surroundings. Therefore, calcium chloride is commonly used as a dessicant.
To dry hydrogen gas.
the adsorption capacity of calcium is 0.78 kg/ kg of calcium chloride from one article on adsorption cycle
It all depends on the type of Calcium Chloride you used. Was it anhydrous or dihydrate or else?
CaCl2 , the anhydrous (no water of crystallisation) form. There are various hydrates.