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A house girl added 20g of sodium chloride (NaCl) to 80g of water (atomic masses are Na=23amu, Cl=35.5amu). Calculate a)Percent(w/w) of NaCl b)Mole fraction of

A house girl added 20g of sodium chloride (NaCl) to 80g of water (atomic masses are Na=23amu, Cl=35.5amu). Calculate
a)Percent(w/w) of NaCl
b)Mole fraction of NaCl

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