The weight (in gram )of pure potash Alum (K_(2)SO_(4).Al_(2)(SO_(4) )_ – InterviewSolution

1.	The weight (in gram )of pure potash Alum (K_(2)SO_(4).Al_(2)(SO_(4) )_(3).24H_(2)O ) which contains 0.64kg oxygen is . (Atomic weight of K = 39 , S = 32 ,Al = 27 )
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