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(3) 365 L, 183L 4) 2The crystaline salt Nays0, st10 an heating iases559% of its mass and becomes antydrosformula of crystalline salt is(1) Na,so, 5HO (2) Na,So,7H,0(3) Na,so, 2HO (4) Na,sO, 10H,0

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