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mayank
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a grocer bought 25 dozens of eggs for Rs 525. out of these, 18 eggs were found to be rotten. he sold the remaining eggs at the
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You need only to know the vapor pressure of water at that b.p. which is ~ 179 mm hg, so the (vapor pressure of C2H5I = 760 - 179 )and since you know (M.W. of H2O = 18 g/mol, & M.W. C2H5I = 156 g/mol), you just apply the equation: grams H2O M.W. H2O × P
