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posted by ogb on Sunday, December 9, 2012 at 7:10pm.
the mass percent of a solution prepared by dissolving 0.500 moll KCL ( Molar mass = 74.6 g) in 850 g of water is ?
mass KCl = mols x molar mass. % w/w KCl = [grams KCl/(g KCl + 850)]*100 = ?
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