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Combustion of a .225g sample of a compound containing only carbon, hydgrogen and oxygen produces .306g water and .561g carbon dioxide. what is the empirical formula of the compound?
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Suppose that you take .5000 gram of Na2CO3 and titrate it with .115M HCL solution. What is the equivalence point volume expected for the complete titration? (Formula weights Na2CO3 = 105.99g/mol and HCL = 36.46g/mol)
What are the symbol and name of the element whose average atoms have a mass very nearly half the mass of an average silicon atom?
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A metal slug weighing 16.32g is added to a flask with a volumeof 52.6 mL. it is found that, 40.2 g of methanol (d = 0.791 g/mL)must be added to the metal to fill the flask. What is the density of the metal in g/mL?
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