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A liter of a solution saturated at 25°C with calcium oxalate, Cac,Oc. is evaporated to dryness, giving a 0.0061-g residue of
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So According to balanced ea Imol Cagou produce one mol Ca 2+ & Imol Caout so- 4.762x10-5 Ca Goy produce 41762x10 5 mol Ca2+ 8

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