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calculate the sodium ion concentration when 800 ml of 32 m sodium carbonate is added to 250 ml of 23 m sodium
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the process of boiling a reaction mixture and condensing the solvent vapors back into the reaction vessel is known
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a mixture of propane and butane is burned with pure oxygen the combustion products contain 474 mole h2o after all of
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the mass of ca in caso4 is 2945 to calculate the mass of ca present in a 256 g sample of this compound the correct
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a large sport utility vehicle has a mass of 2500kg calculate the mass of co2 emitted into the atmosphere upon
the most important commercial process for generating hydrogen gas is the water-gas shift reaction ch4g h2og cog 3h2g
a freshly prepared sample of curium-243 undergoes 3312 disintegrations per second after 600 years the activity of the